Home / 18,597.02-25,663.91-10,638.77

Finding the Fourth Proportional to 18,597.02, 25,663.91 and 10,638.77

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Solution

The fourth proportional to 18,597.02, 25,663.91 and 10,638.77 is: 14,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.02 : 25,663.91 = 10,638.77 : x
  2. Step 2: Convert to fraction form
    18,597.02/25,663.91 = 10,638.77/x
  3. Step 3: Cross multiply
    18,597.02x = 25,663.91 × 10,638.77
  4. Step 4: Simplify right side
    18,597.02x = 273,032,254.28
  5. Step 5: Solve for x
    x = 273,032,254.28/18,597.02
  6. Step 6: Final answer
    x = 14,681.51

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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.