Home / 34,064.91-47,009.13-18,957.20

Finding the Fourth Proportional to 34,064.91, 47,009.13 and 18,957.20

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Solution

The fourth proportional to 34,064.91, 47,009.13 and 18,957.20 is: 26,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,064.91 : 47,009.13 = 18,957.20 : x
  2. Step 2: Convert to fraction form
    34,064.91/47,009.13 = 18,957.20/x
  3. Step 3: Cross multiply
    34,064.91x = 47,009.13 × 18,957.20
  4. Step 4: Simplify right side
    34,064.91x = 891,161,244.19
  5. Step 5: Solve for x
    x = 891,161,244.19/34,064.91
  6. Step 6: Final answer
    x = 26,160.68

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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.