Home / 14,580.18-21,867.84-5,218.20

Finding the Fourth Proportional to 14,580.18, 21,867.84 and 5,218.20

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Solution

The fourth proportional to 14,580.18, 21,867.84 and 5,218.20 is: 7,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.18 : 21,867.84 = 5,218.20 : x
  2. Step 2: Convert to fraction form
    14,580.18/21,867.84 = 5,218.20/x
  3. Step 3: Cross multiply
    14,580.18x = 21,867.84 × 5,218.20
  4. Step 4: Simplify right side
    14,580.18x = 114,110,762.69
  5. Step 5: Solve for x
    x = 114,110,762.69/14,580.18
  6. Step 6: Final answer
    x = 7,826.43

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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.