Home / 19,066.68-26,311.02-11,109.72

Finding the Fourth Proportional to 19,066.68, 26,311.02 and 11,109.72

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Solution

The fourth proportional to 19,066.68, 26,311.02 and 11,109.72 is: 15,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.68 : 26,311.02 = 11,109.72 : x
  2. Step 2: Convert to fraction form
    19,066.68/26,311.02 = 11,109.72/x
  3. Step 3: Cross multiply
    19,066.68x = 26,311.02 × 11,109.72
  4. Step 4: Simplify right side
    19,066.68x = 292,308,065.11
  5. Step 5: Solve for x
    x = 292,308,065.11/19,066.68
  6. Step 6: Final answer
    x = 15,330.83

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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.