Home / 15,533.75-21,438.60-9,246.13

Finding the Fourth Proportional to 15,533.75, 21,438.60 and 9,246.13

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Solution

The fourth proportional to 15,533.75, 21,438.60 and 9,246.13 is: 12,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.75 : 21,438.60 = 9,246.13 : x
  2. Step 2: Convert to fraction form
    15,533.75/21,438.60 = 9,246.13/x
  3. Step 3: Cross multiply
    15,533.75x = 21,438.60 × 9,246.13
  4. Step 4: Simplify right side
    15,533.75x = 198,224,082.62
  5. Step 5: Solve for x
    x = 198,224,082.62/15,533.75
  6. Step 6: Final answer
    x = 12,760.86

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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.