Home / 25,105.58-34,646.07-13,776.20

Finding the Fourth Proportional to 25,105.58, 34,646.07 and 13,776.20

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Solution

The fourth proportional to 25,105.58, 34,646.07 and 13,776.20 is: 19,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.58 : 34,646.07 = 13,776.20 : x
  2. Step 2: Convert to fraction form
    25,105.58/34,646.07 = 13,776.20/x
  3. Step 3: Cross multiply
    25,105.58x = 34,646.07 × 13,776.20
  4. Step 4: Simplify right side
    25,105.58x = 477,291,189.53
  5. Step 5: Solve for x
    x = 477,291,189.53/25,105.58
  6. Step 6: Final answer
    x = 19,011.36

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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.