Home / 15,526.08-21,425.85-8,452.49

Finding the Fourth Proportional to 15,526.08, 21,425.85 and 8,452.49

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Solution

The fourth proportional to 15,526.08, 21,425.85 and 8,452.49 is: 11,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.08 : 21,425.85 = 8,452.49 : x
  2. Step 2: Convert to fraction form
    15,526.08/21,425.85 = 8,452.49/x
  3. Step 3: Cross multiply
    15,526.08x = 21,425.85 × 8,452.49
  4. Step 4: Simplify right side
    15,526.08x = 181,101,675.74
  5. Step 5: Solve for x
    x = 181,101,675.74/15,526.08
  6. Step 6: Final answer
    x = 11,664.35

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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.