Home / 34,109.01-47,066.78-18,998.76

Finding the Fourth Proportional to 34,109.01, 47,066.78 and 18,998.76

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Solution

The fourth proportional to 34,109.01, 47,066.78 and 18,998.76 is: 26,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,109.01 : 47,066.78 = 18,998.76 : x
  2. Step 2: Convert to fraction form
    34,109.01/47,066.78 = 18,998.76/x
  3. Step 3: Cross multiply
    34,109.01x = 47,066.78 × 18,998.76
  4. Step 4: Simplify right side
    34,109.01x = 894,210,310.17
  5. Step 5: Solve for x
    x = 894,210,310.17/34,109.01
  6. Step 6: Final answer
    x = 26,216.25

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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.