Home / 22,864.41-31,548.96-13,434.93

Finding the Fourth Proportional to 22,864.41, 31,548.96 and 13,434.93

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Solution

The fourth proportional to 22,864.41, 31,548.96 and 13,434.93 is: 18,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,864.41 : 31,548.96 = 13,434.93 : x
  2. Step 2: Convert to fraction form
    22,864.41/31,548.96 = 13,434.93/x
  3. Step 3: Cross multiply
    22,864.41x = 31,548.96 × 13,434.93
  4. Step 4: Simplify right side
    22,864.41x = 423,858,069.17
  5. Step 5: Solve for x
    x = 423,858,069.17/22,864.41
  6. Step 6: Final answer
    x = 18,537.90

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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.