Home / 15,240.38-21,032.72-8,527.16

Finding the Fourth Proportional to 15,240.38, 21,032.72 and 8,527.16

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Solution

The fourth proportional to 15,240.38, 21,032.72 and 8,527.16 is: 11,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.38 : 21,032.72 = 8,527.16 : x
  2. Step 2: Convert to fraction form
    15,240.38/21,032.72 = 8,527.16/x
  3. Step 3: Cross multiply
    15,240.38x = 21,032.72 × 8,527.16
  4. Step 4: Simplify right side
    15,240.38x = 179,349,220.88
  5. Step 5: Solve for x
    x = 179,349,220.88/15,240.38
  6. Step 6: Final answer
    x = 11,768.03

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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.