Home / 22,975.71-31,702.67-13,542.99

Finding the Fourth Proportional to 22,975.71, 31,702.67 and 13,542.99

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Solution

The fourth proportional to 22,975.71, 31,702.67 and 13,542.99 is: 18,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.71 : 31,702.67 = 13,542.99 : x
  2. Step 2: Convert to fraction form
    22,975.71/31,702.67 = 13,542.99/x
  3. Step 3: Cross multiply
    22,975.71x = 31,702.67 × 13,542.99
  4. Step 4: Simplify right side
    22,975.71x = 429,348,875.07
  5. Step 5: Solve for x
    x = 429,348,875.07/22,975.71
  6. Step 6: Final answer
    x = 18,687.08

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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.