Home / 18,217.84-25,152.25-14,868.66

Finding the Fourth Proportional to 18,217.84, 25,152.25 and 14,868.66

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Solution

The fourth proportional to 18,217.84, 25,152.25 and 14,868.66 is: 20,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.84 : 25,152.25 = 14,868.66 : x
  2. Step 2: Convert to fraction form
    18,217.84/25,152.25 = 14,868.66/x
  3. Step 3: Cross multiply
    18,217.84x = 25,152.25 × 14,868.66
  4. Step 4: Simplify right side
    18,217.84x = 373,980,253.49
  5. Step 5: Solve for x
    x = 373,980,253.49/18,217.84
  6. Step 6: Final answer
    x = 20,528.24

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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.