Home / 15,902.56-21,953.40-9,937.52

Finding the Fourth Proportional to 15,902.56, 21,953.40 and 9,937.52

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Solution

The fourth proportional to 15,902.56, 21,953.40 and 9,937.52 is: 13,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.56 : 21,953.40 = 9,937.52 : x
  2. Step 2: Convert to fraction form
    15,902.56/21,953.40 = 9,937.52/x
  3. Step 3: Cross multiply
    15,902.56x = 21,953.40 × 9,937.52
  4. Step 4: Simplify right side
    15,902.56x = 218,162,351.57
  5. Step 5: Solve for x
    x = 218,162,351.57/15,902.56
  6. Step 6: Final answer
    x = 13,718.69

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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.