Home / 15,518.75-23,280.56-5,132.93

Finding the Fourth Proportional to 15,518.75, 23,280.56 and 5,132.93

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Solution

The fourth proportional to 15,518.75, 23,280.56 and 5,132.93 is: 7,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.75 : 23,280.56 = 5,132.93 : x
  2. Step 2: Convert to fraction form
    15,518.75/23,280.56 = 5,132.93/x
  3. Step 3: Cross multiply
    15,518.75x = 23,280.56 × 5,132.93
  4. Step 4: Simplify right side
    15,518.75x = 119,497,459.18
  5. Step 5: Solve for x
    x = 119,497,459.18/15,518.75
  6. Step 6: Final answer
    x = 7,700.20

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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.