Home / 25,326.72-34,947.18-15,898.32

Finding the Fourth Proportional to 25,326.72, 34,947.18 and 15,898.32

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Solution

The fourth proportional to 25,326.72, 34,947.18 and 15,898.32 is: 21,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,326.72 : 34,947.18 = 15,898.32 : x
  2. Step 2: Convert to fraction form
    25,326.72/34,947.18 = 15,898.32/x
  3. Step 3: Cross multiply
    25,326.72x = 34,947.18 × 15,898.32
  4. Step 4: Simplify right side
    25,326.72x = 555,601,450.74
  5. Step 5: Solve for x
    x = 555,601,450.74/25,326.72
  6. Step 6: Final answer
    x = 21,937.36

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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.