Home / 15,240.59-21,032.46-8,526.06

Finding the Fourth Proportional to 15,240.59, 21,032.46 and 8,526.06

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Solution

The fourth proportional to 15,240.59, 21,032.46 and 8,526.06 is: 11,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.59 : 21,032.46 = 8,526.06 : x
  2. Step 2: Convert to fraction form
    15,240.59/21,032.46 = 8,526.06/x
  3. Step 3: Cross multiply
    15,240.59x = 21,032.46 × 8,526.06
  4. Step 4: Simplify right side
    15,240.59x = 179,324,015.91
  5. Step 5: Solve for x
    x = 179,324,015.91/15,240.59
  6. Step 6: Final answer
    x = 11,766.21

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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.