Home / 25,666.25-38,492.69-10,867.55

Finding the Fourth Proportional to 25,666.25, 38,492.69 and 10,867.55

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Solution

The fourth proportional to 25,666.25, 38,492.69 and 10,867.55 is: 16,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.25 : 38,492.69 = 10,867.55 : x
  2. Step 2: Convert to fraction form
    25,666.25/38,492.69 = 10,867.55/x
  3. Step 3: Cross multiply
    25,666.25x = 38,492.69 × 10,867.55
  4. Step 4: Simplify right side
    25,666.25x = 418,320,986.41
  5. Step 5: Solve for x
    x = 418,320,986.41/25,666.25
  6. Step 6: Final answer
    x = 16,298.49

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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.