Home / 15,526.44-21,426.57-8,452.91

Finding the Fourth Proportional to 15,526.44, 21,426.57 and 8,452.91

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Solution

The fourth proportional to 15,526.44, 21,426.57 and 8,452.91 is: 11,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.44 : 21,426.57 = 8,452.91 : x
  2. Step 2: Convert to fraction form
    15,526.44/21,426.57 = 8,452.91/x
  3. Step 3: Cross multiply
    15,526.44x = 21,426.57 × 8,452.91
  4. Step 4: Simplify right side
    15,526.44x = 181,116,889.69
  5. Step 5: Solve for x
    x = 181,116,889.69/15,526.44
  6. Step 6: Final answer
    x = 11,665.06

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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.