Home / 13,364.04-20,024.17-7,117.42

Finding the Fourth Proportional to 13,364.04, 20,024.17 and 7,117.42

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Solution

The fourth proportional to 13,364.04, 20,024.17 and 7,117.42 is: 10,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.04 : 20,024.17 = 7,117.42 : x
  2. Step 2: Convert to fraction form
    13,364.04/20,024.17 = 7,117.42/x
  3. Step 3: Cross multiply
    13,364.04x = 20,024.17 × 7,117.42
  4. Step 4: Simplify right side
    13,364.04x = 142,520,428.04
  5. Step 5: Solve for x
    x = 142,520,428.04/13,364.04
  6. Step 6: Final answer
    x = 10,664.47

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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.