Home / 25,981.86-38,909-16,594.16

Finding the Fourth Proportional to 25,981.86, 38,909 and 16,594.16

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Solution

The fourth proportional to 25,981.86, 38,909 and 16,594.16 is: 24,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.86 : 38,909 = 16,594.16 : x
  2. Step 2: Convert to fraction form
    25,981.86/38,909 = 16,594.16/x
  3. Step 3: Cross multiply
    25,981.86x = 38,909 × 16,594.16
  4. Step 4: Simplify right side
    25,981.86x = 645,662,171.44
  5. Step 5: Solve for x
    x = 645,662,171.44/25,981.86
  6. Step 6: Final answer
    x = 24,850.50

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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.