Home / 15,526.49-21,426.57-8,452.94

Finding the Fourth Proportional to 15,526.49, 21,426.57 and 8,452.94

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Solution

The fourth proportional to 15,526.49, 21,426.57 and 8,452.94 is: 11,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.49 : 21,426.57 = 8,452.94 : x
  2. Step 2: Convert to fraction form
    15,526.49/21,426.57 = 8,452.94/x
  3. Step 3: Cross multiply
    15,526.49x = 21,426.57 × 8,452.94
  4. Step 4: Simplify right side
    15,526.49x = 181,117,468.35
  5. Step 5: Solve for x
    x = 181,117,468.35/15,526.49
  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.