Home / 22,070.95-30,454.39-14,520.34

Finding the Fourth Proportional to 22,070.95, 30,454.39 and 14,520.34

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Solution

The fourth proportional to 22,070.95, 30,454.39 and 14,520.34 is: 20,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.95 : 30,454.39 = 14,520.34 : x
  2. Step 2: Convert to fraction form
    22,070.95/30,454.39 = 14,520.34/x
  3. Step 3: Cross multiply
    22,070.95x = 30,454.39 × 14,520.34
  4. Step 4: Simplify right side
    22,070.95x = 442,207,872.42
  5. Step 5: Solve for x
    x = 442,207,872.42/22,070.95
  6. Step 6: Final answer
    x = 20,035.74

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Half scale
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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.