Home / 16,307.75-22,499.28-11,270.15

Finding the Fourth Proportional to 16,307.75, 22,499.28 and 11,270.15

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Solution

The fourth proportional to 16,307.75, 22,499.28 and 11,270.15 is: 15,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,307.75 : 22,499.28 = 11,270.15 : x
  2. Step 2: Convert to fraction form
    16,307.75/22,499.28 = 11,270.15/x
  3. Step 3: Cross multiply
    16,307.75x = 22,499.28 × 11,270.15
  4. Step 4: Simplify right side
    16,307.75x = 253,570,148.00
  5. Step 5: Solve for x
    x = 253,570,148.00/16,307.75
  6. Step 6: Final answer
    x = 15,549.06

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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.