Home / 22,185.08-30,614.91-12,113.13

Finding the Fourth Proportional to 22,185.08, 30,614.91 and 12,113.13

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Solution

The fourth proportional to 22,185.08, 30,614.91 and 12,113.13 is: 16,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.08 : 30,614.91 = 12,113.13 : x
  2. Step 2: Convert to fraction form
    22,185.08/30,614.91 = 12,113.13/x
  3. Step 3: Cross multiply
    22,185.08x = 30,614.91 × 12,113.13
  4. Step 4: Simplify right side
    22,185.08x = 370,842,384.77
  5. Step 5: Solve for x
    x = 370,842,384.77/22,185.08
  6. Step 6: Final answer
    x = 16,715.85

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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.