Home / 25,565.11-35,292.57-19,809.65

Finding the Fourth Proportional to 25,565.11, 35,292.57 and 19,809.65

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Solution

The fourth proportional to 25,565.11, 35,292.57 and 19,809.65 is: 27,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.11 : 35,292.57 = 19,809.65 : x
  2. Step 2: Convert to fraction form
    25,565.11/35,292.57 = 19,809.65/x
  3. Step 3: Cross multiply
    25,565.11x = 35,292.57 × 19,809.65
  4. Step 4: Simplify right side
    25,565.11x = 699,133,459.30
  5. Step 5: Solve for x
    x = 699,133,459.30/25,565.11
  6. Step 6: Final answer
    x = 27,347.17

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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.