Home / 23,423.24-32,323.65-12,812.78

Finding the Fourth Proportional to 23,423.24, 32,323.65 and 12,812.78

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Solution

The fourth proportional to 23,423.24, 32,323.65 and 12,812.78 is: 17,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,423.24 : 32,323.65 = 12,812.78 : x
  2. Step 2: Convert to fraction form
    23,423.24/32,323.65 = 12,812.78/x
  3. Step 3: Cross multiply
    23,423.24x = 32,323.65 × 12,812.78
  4. Step 4: Simplify right side
    23,423.24x = 414,155,816.25
  5. Step 5: Solve for x
    x = 414,155,816.25/23,423.24
  6. Step 6: Final answer
    x = 17,681.41

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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.