Home / 22,545.07-31,111.64-12,474.07

Finding the Fourth Proportional to 22,545.07, 31,111.64 and 12,474.07

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Solution

The fourth proportional to 22,545.07, 31,111.64 and 12,474.07 is: 17,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.07 : 31,111.64 = 12,474.07 : x
  2. Step 2: Convert to fraction form
    22,545.07/31,111.64 = 12,474.07/x
  3. Step 3: Cross multiply
    22,545.07x = 31,111.64 × 12,474.07
  4. Step 4: Simplify right side
    22,545.07x = 388,088,712.80
  5. Step 5: Solve for x
    x = 388,088,712.80/22,545.07
  6. Step 6: Final answer
    x = 17,213.91

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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.