Home / 14,664.52-20,240.16-9,358.12

Finding the Fourth Proportional to 14,664.52, 20,240.16 and 9,358.12

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Solution

The fourth proportional to 14,664.52, 20,240.16 and 9,358.12 is: 12,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.52 : 20,240.16 = 9,358.12 : x
  2. Step 2: Convert to fraction form
    14,664.52/20,240.16 = 9,358.12/x
  3. Step 3: Cross multiply
    14,664.52x = 20,240.16 × 9,358.12
  4. Step 4: Simplify right side
    14,664.52x = 189,409,846.10
  5. Step 5: Solve for x
    x = 189,409,846.10/14,664.52
  6. Step 6: Final answer
    x = 12,916.20

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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.