Home / 14,577.16-21,867-5,216.20

Finding the Fourth Proportional to 14,577.16, 21,867 and 5,216.20

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Solution

The fourth proportional to 14,577.16, 21,867 and 5,216.20 is: 7,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.16 : 21,867 = 5,216.20 : x
  2. Step 2: Convert to fraction form
    14,577.16/21,867 = 5,216.20/x
  3. Step 3: Cross multiply
    14,577.16x = 21,867 × 5,216.20
  4. Step 4: Simplify right side
    14,577.16x = 114,062,645.40
  5. Step 5: Solve for x
    x = 114,062,645.40/14,577.16
  6. Step 6: Final answer
    x = 7,824.75

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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.