Home / 19,139.28-26,412.26-10,641.17

Finding the Fourth Proportional to 19,139.28, 26,412.26 and 10,641.17

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Solution

The fourth proportional to 19,139.28, 26,412.26 and 10,641.17 is: 14,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.28 : 26,412.26 = 10,641.17 : x
  2. Step 2: Convert to fraction form
    19,139.28/26,412.26 = 10,641.17/x
  3. Step 3: Cross multiply
    19,139.28x = 26,412.26 × 10,641.17
  4. Step 4: Simplify right side
    19,139.28x = 281,057,216.68
  5. Step 5: Solve for x
    x = 281,057,216.68/19,139.28
  6. Step 6: Final answer
    x = 14,684.84

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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.