Home / 22,949.86-31,689.48-18,701.56

Finding the Fourth Proportional to 22,949.86, 31,689.48 and 18,701.56

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Solution

The fourth proportional to 22,949.86, 31,689.48 and 18,701.56 is: 25,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.86 : 31,689.48 = 18,701.56 : x
  2. Step 2: Convert to fraction form
    22,949.86/31,689.48 = 18,701.56/x
  3. Step 3: Cross multiply
    22,949.86x = 31,689.48 × 18,701.56
  4. Step 4: Simplify right side
    22,949.86x = 592,642,711.59
  5. Step 5: Solve for x
    x = 592,642,711.59/22,949.86
  6. Step 6: Final answer
    x = 25,823.37

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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.