Home / 23,423.28-32,323.56-12,812.68

Finding the Fourth Proportional to 23,423.28, 32,323.56 and 12,812.68

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Solution

The fourth proportional to 23,423.28, 32,323.56 and 12,812.68 is: 17,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,423.28 : 32,323.56 = 12,812.68 : x
  2. Step 2: Convert to fraction form
    23,423.28/32,323.56 = 12,812.68/x
  3. Step 3: Cross multiply
    23,423.28x = 32,323.56 × 12,812.68
  4. Step 4: Simplify right side
    23,423.28x = 414,151,423.10
  5. Step 5: Solve for x
    x = 414,151,423.10/23,423.28
  6. Step 6: Final answer
    x = 17,681.19

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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.