Home / 25,724.58-38,588.37-9,929.69

Finding the Fourth Proportional to 25,724.58, 38,588.37 and 9,929.69

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Solution

The fourth proportional to 25,724.58, 38,588.37 and 9,929.69 is: 14,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.58 : 38,588.37 = 9,929.69 : x
  2. Step 2: Convert to fraction form
    25,724.58/38,588.37 = 9,929.69/x
  3. Step 3: Cross multiply
    25,724.58x = 38,588.37 × 9,929.69
  4. Step 4: Simplify right side
    25,724.58x = 383,170,648.18
  5. Step 5: Solve for x
    x = 383,170,648.18/25,724.58
  6. Step 6: Final answer
    x = 14,895.12

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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.