Home / 19,086.15-26,336.01-10,909.17

Finding the Fourth Proportional to 19,086.15, 26,336.01 and 10,909.17

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Solution

The fourth proportional to 19,086.15, 26,336.01 and 10,909.17 is: 15,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.15 : 26,336.01 = 10,909.17 : x
  2. Step 2: Convert to fraction form
    19,086.15/26,336.01 = 10,909.17/x
  3. Step 3: Cross multiply
    19,086.15x = 26,336.01 × 10,909.17
  4. Step 4: Simplify right side
    19,086.15x = 287,304,010.21
  5. Step 5: Solve for x
    x = 287,304,010.21/19,086.15
  6. Step 6: Final answer
    x = 15,053.01

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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.