Home / 13,066.61-18,032.05-7,098.40

Finding the Fourth Proportional to 13,066.61, 18,032.05 and 7,098.40

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Solution

The fourth proportional to 13,066.61, 18,032.05 and 7,098.40 is: 9,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.61 : 18,032.05 = 7,098.40 : x
  2. Step 2: Convert to fraction form
    13,066.61/18,032.05 = 7,098.40/x
  3. Step 3: Cross multiply
    13,066.61x = 18,032.05 × 7,098.40
  4. Step 4: Simplify right side
    13,066.61x = 127,998,613.56
  5. Step 5: Solve for x
    x = 127,998,613.56/13,066.61
  6. Step 6: Final answer
    x = 9,795.85

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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.