Home / 22,964.48-31,687.44-13,404.32

Finding the Fourth Proportional to 22,964.48, 31,687.44 and 13,404.32

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Solution

The fourth proportional to 22,964.48, 31,687.44 and 13,404.32 is: 18,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,964.48 : 31,687.44 = 13,404.32 : x
  2. Step 2: Convert to fraction form
    22,964.48/31,687.44 = 13,404.32/x
  3. Step 3: Cross multiply
    22,964.48x = 31,687.44 × 13,404.32
  4. Step 4: Simplify right side
    22,964.48x = 424,748,585.74
  5. Step 5: Solve for x
    x = 424,748,585.74/22,964.48
  6. Step 6: Final answer
    x = 18,495.89

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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.