Home / 23,666.76-32,660.23-12,911.88

Finding the Fourth Proportional to 23,666.76, 32,660.23 and 12,911.88

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Solution

The fourth proportional to 23,666.76, 32,660.23 and 12,911.88 is: 17,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,666.76 : 32,660.23 = 12,911.88 : x
  2. Step 2: Convert to fraction form
    23,666.76/32,660.23 = 12,911.88/x
  3. Step 3: Cross multiply
    23,666.76x = 32,660.23 × 12,911.88
  4. Step 4: Simplify right side
    23,666.76x = 421,704,970.53
  5. Step 5: Solve for x
    x = 421,704,970.53/23,666.76
  6. Step 6: Final answer
    x = 17,818.45

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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.