Home / 18,577.32-25,670.58-13,532.76

Finding the Fourth Proportional to 18,577.32, 25,670.58 and 13,532.76

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Solution

The fourth proportional to 18,577.32, 25,670.58 and 13,532.76 is: 18,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.32 : 25,670.58 = 13,532.76 : x
  2. Step 2: Convert to fraction form
    18,577.32/25,670.58 = 13,532.76/x
  3. Step 3: Cross multiply
    18,577.32x = 25,670.58 × 13,532.76
  4. Step 4: Simplify right side
    18,577.32x = 347,393,798.20
  5. Step 5: Solve for x
    x = 347,393,798.20/18,577.32
  6. Step 6: Final answer
    x = 18,699.89

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Half scale
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Double scale
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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.