Home / 15,720.99-23,596.95-11,549.28

Finding the Fourth Proportional to 15,720.99, 23,596.95 and 11,549.28

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Solution

The fourth proportional to 15,720.99, 23,596.95 and 11,549.28 is: 17,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720.99 : 23,596.95 = 11,549.28 : x
  2. Step 2: Convert to fraction form
    15,720.99/23,596.95 = 11,549.28/x
  3. Step 3: Cross multiply
    15,720.99x = 23,596.95 × 11,549.28
  4. Step 4: Simplify right side
    15,720.99x = 272,527,782.70
  5. Step 5: Solve for x
    x = 272,527,782.70/15,720.99
  6. Step 6: Final answer
    x = 17,335.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.