Home / 25,382.16-35,001.72-19,564.74

Finding the Fourth Proportional to 25,382.16, 35,001.72 and 19,564.74

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Solution

The fourth proportional to 25,382.16, 35,001.72 and 19,564.74 is: 26,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.16 : 35,001.72 = 19,564.74 : x
  2. Step 2: Convert to fraction form
    25,382.16/35,001.72 = 19,564.74/x
  3. Step 3: Cross multiply
    25,382.16x = 35,001.72 × 19,564.74
  4. Step 4: Simplify right side
    25,382.16x = 684,799,551.35
  5. Step 5: Solve for x
    x = 684,799,551.35/25,382.16
  6. Step 6: Final answer
    x = 26,979.56

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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.