Home / 34,712.12-47,902.65-18,796.70

Finding the Fourth Proportional to 34,712.12, 47,902.65 and 18,796.70

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Solution

The fourth proportional to 34,712.12, 47,902.65 and 18,796.70 is: 25,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,712.12 : 47,902.65 = 18,796.70 : x
  2. Step 2: Convert to fraction form
    34,712.12/47,902.65 = 18,796.70/x
  3. Step 3: Cross multiply
    34,712.12x = 47,902.65 × 18,796.70
  4. Step 4: Simplify right side
    34,712.12x = 900,411,741.26
  5. Step 5: Solve for x
    x = 900,411,741.26/34,712.12
  6. Step 6: Final answer
    x = 25,939.41

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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.