Home / 23,639.12-35,461.92-10,491.20

Finding the Fourth Proportional to 23,639.12, 35,461.92 and 10,491.20

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Solution

The fourth proportional to 23,639.12, 35,461.92 and 10,491.20 is: 15,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,639.12 : 35,461.92 = 10,491.20 : x
  2. Step 2: Convert to fraction form
    23,639.12/35,461.92 = 10,491.20/x
  3. Step 3: Cross multiply
    23,639.12x = 35,461.92 × 10,491.20
  4. Step 4: Simplify right side
    23,639.12x = 372,038,095.10
  5. Step 5: Solve for x
    x = 372,038,095.10/23,639.12
  6. Step 6: Final answer
    x = 15,738.24

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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.