Home / 22,561.48-31,115.95-16,909.50

Finding the Fourth Proportional to 22,561.48, 31,115.95 and 16,909.50

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Solution

The fourth proportional to 22,561.48, 31,115.95 and 16,909.50 is: 23,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.48 : 31,115.95 = 16,909.50 : x
  2. Step 2: Convert to fraction form
    22,561.48/31,115.95 = 16,909.50/x
  3. Step 3: Cross multiply
    22,561.48x = 31,115.95 × 16,909.50
  4. Step 4: Simplify right side
    22,561.48x = 526,155,156.53
  5. Step 5: Solve for x
    x = 526,155,156.53/22,561.48
  6. Step 6: Final answer
    x = 23,320.95

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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.