Home / 27,642.02-38,146.54-15,066.76

Finding the Fourth Proportional to 27,642.02, 38,146.54 and 15,066.76

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Solution

The fourth proportional to 27,642.02, 38,146.54 and 15,066.76 is: 20,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.02 : 38,146.54 = 15,066.76 : x
  2. Step 2: Convert to fraction form
    27,642.02/38,146.54 = 15,066.76/x
  3. Step 3: Cross multiply
    27,642.02x = 38,146.54 × 15,066.76
  4. Step 4: Simplify right side
    27,642.02x = 574,744,763.01
  5. Step 5: Solve for x
    x = 574,744,763.01/27,642.02
  6. Step 6: Final answer
    x = 20,792.43

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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.