Home / 23,730.47-32,748.20-13,120.48

Finding the Fourth Proportional to 23,730.47, 32,748.20 and 13,120.48

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Solution

The fourth proportional to 23,730.47, 32,748.20 and 13,120.48 is: 18,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.47 : 32,748.20 = 13,120.48 : x
  2. Step 2: Convert to fraction form
    23,730.47/32,748.20 = 13,120.48/x
  3. Step 3: Cross multiply
    23,730.47x = 32,748.20 × 13,120.48
  4. Step 4: Simplify right side
    23,730.47x = 429,672,127.67
  5. Step 5: Solve for x
    x = 429,672,127.67/23,730.47
  6. Step 6: Final answer
    x = 18,106.35

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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.