Home / 25,338.13-34,966.61-13,853.08

Finding the Fourth Proportional to 25,338.13, 34,966.61 and 13,853.08

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Solution

The fourth proportional to 25,338.13, 34,966.61 and 13,853.08 is: 19,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.13 : 34,966.61 = 13,853.08 : x
  2. Step 2: Convert to fraction form
    25,338.13/34,966.61 = 13,853.08/x
  3. Step 3: Cross multiply
    25,338.13x = 34,966.61 × 13,853.08
  4. Step 4: Simplify right side
    25,338.13x = 484,395,212.67
  5. Step 5: Solve for x
    x = 484,395,212.67/25,338.13
  6. Step 6: Final answer
    x = 19,117.25

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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.