Home / 25,724.23-38,587.84-9,929.35

Finding the Fourth Proportional to 25,724.23, 38,587.84 and 9,929.35

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Solution

The fourth proportional to 25,724.23, 38,587.84 and 9,929.35 is: 14,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.23 : 38,587.84 = 9,929.35 : x
  2. Step 2: Convert to fraction form
    25,724.23/38,587.84 = 9,929.35/x
  3. Step 3: Cross multiply
    25,724.23x = 38,587.84 × 9,929.35
  4. Step 4: Simplify right side
    25,724.23x = 383,152,169.10
  5. Step 5: Solve for x
    x = 383,152,169.10/25,724.23
  6. Step 6: Final answer
    x = 14,894.60

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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.