Home / 25,255.01-34,837.65-15,807.17

Finding the Fourth Proportional to 25,255.01, 34,837.65 and 15,807.17

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Solution

The fourth proportional to 25,255.01, 34,837.65 and 15,807.17 is: 21,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.01 : 34,837.65 = 15,807.17 : x
  2. Step 2: Convert to fraction form
    25,255.01/34,837.65 = 15,807.17/x
  3. Step 3: Cross multiply
    25,255.01x = 34,837.65 × 15,807.17
  4. Step 4: Simplify right side
    25,255.01x = 550,684,743.04
  5. Step 5: Solve for x
    x = 550,684,743.04/25,255.01
  6. Step 6: Final answer
    x = 21,804.97

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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.