Home / 22,645.32-31,269.20-14,701.20

Finding the Fourth Proportional to 22,645.32, 31,269.20 and 14,701.20

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Solution

The fourth proportional to 22,645.32, 31,269.20 and 14,701.20 is: 20,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.32 : 31,269.20 = 14,701.20 : x
  2. Step 2: Convert to fraction form
    22,645.32/31,269.20 = 14,701.20/x
  3. Step 3: Cross multiply
    22,645.32x = 31,269.20 × 14,701.20
  4. Step 4: Simplify right side
    22,645.32x = 459,694,763.04
  5. Step 5: Solve for x
    x = 459,694,763.04/22,645.32
  6. Step 6: Final answer
    x = 20,299.77

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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.