Home / 13,364.04-20,038.68-5,472.12

Finding the Fourth Proportional to 13,364.04, 20,038.68 and 5,472.12

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Solution

The fourth proportional to 13,364.04, 20,038.68 and 5,472.12 is: 8,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.04 : 20,038.68 = 5,472.12 : x
  2. Step 2: Convert to fraction form
    13,364.04/20,038.68 = 5,472.12/x
  3. Step 3: Cross multiply
    13,364.04x = 20,038.68 × 5,472.12
  4. Step 4: Simplify right side
    13,364.04x = 109,654,061.60
  5. Step 5: Solve for x
    x = 109,654,061.60/13,364.04
  6. Step 6: Final answer
    x = 8,205.16

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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.