Home / 22,616.29-31,210.65-12,544.15

Finding the Fourth Proportional to 22,616.29, 31,210.65 and 12,544.15

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Solution

The fourth proportional to 22,616.29, 31,210.65 and 12,544.15 is: 17,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.29 : 31,210.65 = 12,544.15 : x
  2. Step 2: Convert to fraction form
    22,616.29/31,210.65 = 12,544.15/x
  3. Step 3: Cross multiply
    22,616.29x = 31,210.65 × 12,544.15
  4. Step 4: Simplify right side
    22,616.29x = 391,511,075.20
  5. Step 5: Solve for x
    x = 391,511,075.20/22,616.29
  6. Step 6: Final answer
    x = 17,311.02

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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.