Home / 22,586.93-31,169.50-12,515.34

Finding the Fourth Proportional to 22,586.93, 31,169.50 and 12,515.34

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Solution

The fourth proportional to 22,586.93, 31,169.50 and 12,515.34 is: 17,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,586.93 : 31,169.50 = 12,515.34 : x
  2. Step 2: Convert to fraction form
    22,586.93/31,169.50 = 12,515.34/x
  3. Step 3: Cross multiply
    22,586.93x = 31,169.50 × 12,515.34
  4. Step 4: Simplify right side
    22,586.93x = 390,096,858.84
  5. Step 5: Solve for x
    x = 390,096,858.84/22,586.93
  6. Step 6: Final answer
    x = 17,270.91

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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.