Home / 19,148.75-26,425.28-10,765.31

Finding the Fourth Proportional to 19,148.75, 26,425.28 and 10,765.31

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Solution

The fourth proportional to 19,148.75, 26,425.28 and 10,765.31 is: 14,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.75 : 26,425.28 = 10,765.31 : x
  2. Step 2: Convert to fraction form
    19,148.75/26,425.28 = 10,765.31/x
  3. Step 3: Cross multiply
    19,148.75x = 26,425.28 × 10,765.31
  4. Step 4: Simplify right side
    19,148.75x = 284,476,277.21
  5. Step 5: Solve for x
    x = 284,476,277.21/19,148.75
  6. Step 6: Final answer
    x = 14,856.13

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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.