Home / 19,066.85-26,283.09-13,385.66

Finding the Fourth Proportional to 19,066.85, 26,283.09 and 13,385.66

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Solution

The fourth proportional to 19,066.85, 26,283.09 and 13,385.66 is: 18,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.85 : 26,283.09 = 13,385.66 : x
  2. Step 2: Convert to fraction form
    19,066.85/26,283.09 = 13,385.66/x
  3. Step 3: Cross multiply
    19,066.85x = 26,283.09 × 13,385.66
  4. Step 4: Simplify right side
    19,066.85x = 351,816,572.20
  5. Step 5: Solve for x
    x = 351,816,572.20/19,066.85
  6. Step 6: Final answer
    x = 18,451.74

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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.