Home / 25,535.52-38,303.28-6,815.63

Finding the Fourth Proportional to 25,535.52, 38,303.28 and 6,815.63

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Solution

The fourth proportional to 25,535.52, 38,303.28 and 6,815.63 is: 10,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,535.52 : 38,303.28 = 6,815.63 : x
  2. Step 2: Convert to fraction form
    25,535.52/38,303.28 = 6,815.63/x
  3. Step 3: Cross multiply
    25,535.52x = 38,303.28 × 6,815.63
  4. Step 4: Simplify right side
    25,535.52x = 261,060,864.57
  5. Step 5: Solve for x
    x = 261,060,864.57/25,535.52
  6. Step 6: Final answer
    x = 10,223.44

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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.