Home / 15,661.56-23,492.38-5,280.60

Finding the Fourth Proportional to 15,661.56, 23,492.38 and 5,280.60

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Solution

The fourth proportional to 15,661.56, 23,492.38 and 5,280.60 is: 7,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.56 : 23,492.38 = 5,280.60 : x
  2. Step 2: Convert to fraction form
    15,661.56/23,492.38 = 5,280.60/x
  3. Step 3: Cross multiply
    15,661.56x = 23,492.38 × 5,280.60
  4. Step 4: Simplify right side
    15,661.56x = 124,053,861.83
  5. Step 5: Solve for x
    x = 124,053,861.83/15,661.56
  6. Step 6: Final answer
    x = 7,920.91

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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.