Home / 22,053.75-30,434.18-12,117.75

Finding the Fourth Proportional to 22,053.75, 30,434.18 and 12,117.75

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Solution

The fourth proportional to 22,053.75, 30,434.18 and 12,117.75 is: 16,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.75 : 30,434.18 = 12,117.75 : x
  2. Step 2: Convert to fraction form
    22,053.75/30,434.18 = 12,117.75/x
  3. Step 3: Cross multiply
    22,053.75x = 30,434.18 × 12,117.75
  4. Step 4: Simplify right side
    22,053.75x = 368,793,724.11
  5. Step 5: Solve for x
    x = 368,793,724.11/22,053.75
  6. Step 6: Final answer
    x = 16,722.50

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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.