Home / 22,637.48-31,232.10-13,681.52

Finding the Fourth Proportional to 22,637.48, 31,232.10 and 13,681.52

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Solution

The fourth proportional to 22,637.48, 31,232.10 and 13,681.52 is: 18,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.48 : 31,232.10 = 13,681.52 : x
  2. Step 2: Convert to fraction form
    22,637.48/31,232.10 = 13,681.52/x
  3. Step 3: Cross multiply
    22,637.48x = 31,232.10 × 13,681.52
  4. Step 4: Simplify right side
    22,637.48x = 427,302,600.79
  5. Step 5: Solve for x
    x = 427,302,600.79/22,637.48
  6. Step 6: Final answer
    x = 18,875.89

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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.