Home / 15,264.23-21,064.91-8,549.80

Finding the Fourth Proportional to 15,264.23, 21,064.91 and 8,549.80

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Solution

The fourth proportional to 15,264.23, 21,064.91 and 8,549.80 is: 11,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.23 : 21,064.91 = 8,549.80 : x
  2. Step 2: Convert to fraction form
    15,264.23/21,064.91 = 8,549.80/x
  3. Step 3: Cross multiply
    15,264.23x = 21,064.91 × 8,549.80
  4. Step 4: Simplify right side
    15,264.23x = 180,100,838.69
  5. Step 5: Solve for x
    x = 180,100,838.69/15,264.23
  6. Step 6: Final answer
    x = 11,798.88

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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.