Home / 17,587.64-26,355.02-7,047.20

Finding the Fourth Proportional to 17,587.64, 26,355.02 and 7,047.20

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Solution

The fourth proportional to 17,587.64, 26,355.02 and 7,047.20 is: 10,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.64 : 26,355.02 = 7,047.20 : x
  2. Step 2: Convert to fraction form
    17,587.64/26,355.02 = 7,047.20/x
  3. Step 3: Cross multiply
    17,587.64x = 26,355.02 × 7,047.20
  4. Step 4: Simplify right side
    17,587.64x = 185,729,096.94
  5. Step 5: Solve for x
    x = 185,729,096.94/17,587.64
  6. Step 6: Final answer
    x = 10,560.21

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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.