Home / 25,456.51-35,130.20-14,126.77

Finding the Fourth Proportional to 25,456.51, 35,130.20 and 14,126.77

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Solution

The fourth proportional to 25,456.51, 35,130.20 and 14,126.77 is: 19,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.51 : 35,130.20 = 14,126.77 : x
  2. Step 2: Convert to fraction form
    25,456.51/35,130.20 = 14,126.77/x
  3. Step 3: Cross multiply
    25,456.51x = 35,130.20 × 14,126.77
  4. Step 4: Simplify right side
    25,456.51x = 496,276,255.45
  5. Step 5: Solve for x
    x = 496,276,255.45/25,456.51
  6. Step 6: Final answer
    x = 19,495.06

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.