Home / 25,581.77-38,315.57-19,614.74

Finding the Fourth Proportional to 25,581.77, 38,315.57 and 19,614.74

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Solution

The fourth proportional to 25,581.77, 38,315.57 and 19,614.74 is: 29,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.77 : 38,315.57 = 19,614.74 : x
  2. Step 2: Convert to fraction form
    25,581.77/38,315.57 = 19,614.74/x
  3. Step 3: Cross multiply
    25,581.77x = 38,315.57 × 19,614.74
  4. Step 4: Simplify right side
    25,581.77x = 751,549,873.23
  5. Step 5: Solve for x
    x = 751,549,873.23/25,581.77
  6. Step 6: Final answer
    x = 29,378.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.