Home / 25,448.76-35,135.78-16,378.18

Finding the Fourth Proportional to 25,448.76, 35,135.78 and 16,378.18

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Solution

The fourth proportional to 25,448.76, 35,135.78 and 16,378.18 is: 22,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.76 : 35,135.78 = 16,378.18 : x
  2. Step 2: Convert to fraction form
    25,448.76/35,135.78 = 16,378.18/x
  3. Step 3: Cross multiply
    25,448.76x = 35,135.78 × 16,378.18
  4. Step 4: Simplify right side
    25,448.76x = 575,459,959.55
  5. Step 5: Solve for x
    x = 575,459,959.55/25,448.76
  6. Step 6: Final answer
    x = 22,612.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.