Home / 25,695.28-38,519.55-9,890.23

Finding the Fourth Proportional to 25,695.28, 38,519.55 and 9,890.23

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Solution

The fourth proportional to 25,695.28, 38,519.55 and 9,890.23 is: 14,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.28 : 38,519.55 = 9,890.23 : x
  2. Step 2: Convert to fraction form
    25,695.28/38,519.55 = 9,890.23/x
  3. Step 3: Cross multiply
    25,695.28x = 38,519.55 × 9,890.23
  4. Step 4: Simplify right side
    25,695.28x = 380,967,209.00
  5. Step 5: Solve for x
    x = 380,967,209.00/25,695.28
  6. Step 6: Final answer
    x = 14,826.35

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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.