Home / 25,107.48-34,647.15-13,776.69

Finding the Fourth Proportional to 25,107.48, 34,647.15 and 13,776.69

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Solution

The fourth proportional to 25,107.48, 34,647.15 and 13,776.69 is: 19,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.48 : 34,647.15 = 13,776.69 : x
  2. Step 2: Convert to fraction form
    25,107.48/34,647.15 = 13,776.69/x
  3. Step 3: Cross multiply
    25,107.48x = 34,647.15 × 13,776.69
  4. Step 4: Simplify right side
    25,107.48x = 477,323,129.08
  5. Step 5: Solve for x
    x = 477,323,129.08/25,107.48
  6. Step 6: Final answer
    x = 19,011.19

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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.