Home / 22,586.18-31,174.13-15,032.81

Finding the Fourth Proportional to 22,586.18, 31,174.13 and 15,032.81

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Solution

The fourth proportional to 22,586.18, 31,174.13 and 15,032.81 is: 20,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,586.18 : 31,174.13 = 15,032.81 : x
  2. Step 2: Convert to fraction form
    22,586.18/31,174.13 = 15,032.81/x
  3. Step 3: Cross multiply
    22,586.18x = 31,174.13 × 15,032.81
  4. Step 4: Simplify right side
    22,586.18x = 468,634,888.72
  5. Step 5: Solve for x
    x = 468,634,888.72/22,586.18
  6. Step 6: Final answer
    x = 20,748.75

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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.