Home / 28,546.66-42,868.99-17,518.10

Finding the Fourth Proportional to 28,546.66, 42,868.99 and 17,518.10

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Solution

The fourth proportional to 28,546.66, 42,868.99 and 17,518.10 is: 26,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.66 : 42,868.99 = 17,518.10 : x
  2. Step 2: Convert to fraction form
    28,546.66/42,868.99 = 17,518.10/x
  3. Step 3: Cross multiply
    28,546.66x = 42,868.99 × 17,518.10
  4. Step 4: Simplify right side
    28,546.66x = 750,983,253.72
  5. Step 5: Solve for x
    x = 750,983,253.72/28,546.66
  6. Step 6: Final answer
    x = 26,307.22

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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.