Home / 22,711.15-31,341.09-13,152.34

Finding the Fourth Proportional to 22,711.15, 31,341.09 and 13,152.34

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Solution

The fourth proportional to 22,711.15, 31,341.09 and 13,152.34 is: 18,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.15 : 31,341.09 = 13,152.34 : x
  2. Step 2: Convert to fraction form
    22,711.15/31,341.09 = 13,152.34/x
  3. Step 3: Cross multiply
    22,711.15x = 31,341.09 × 13,152.34
  4. Step 4: Simplify right side
    22,711.15x = 412,208,671.65
  5. Step 5: Solve for x
    x = 412,208,671.65/22,711.15
  6. Step 6: Final answer
    x = 18,150.06

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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.