Home / 22,616.08-31,215.12-12,548.04

Finding the Fourth Proportional to 22,616.08, 31,215.12 and 12,548.04

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Solution

The fourth proportional to 22,616.08, 31,215.12 and 12,548.04 is: 17,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.08 : 31,215.12 = 12,548.04 : x
  2. Step 2: Convert to fraction form
    22,616.08/31,215.12 = 12,548.04/x
  3. Step 3: Cross multiply
    22,616.08x = 31,215.12 × 12,548.04
  4. Step 4: Simplify right side
    22,616.08x = 391,688,574.36
  5. Step 5: Solve for x
    x = 391,688,574.36/22,616.08
  6. Step 6: Final answer
    x = 17,319.03

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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.