Home / 14,355.88-21,521.05-5,588.75

Finding the Fourth Proportional to 14,355.88, 21,521.05 and 5,588.75

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Solution

The fourth proportional to 14,355.88, 21,521.05 and 5,588.75 is: 8,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.88 : 21,521.05 = 5,588.75 : x
  2. Step 2: Convert to fraction form
    14,355.88/21,521.05 = 5,588.75/x
  3. Step 3: Cross multiply
    14,355.88x = 21,521.05 × 5,588.75
  4. Step 4: Simplify right side
    14,355.88x = 120,275,808.02
  5. Step 5: Solve for x
    x = 120,275,808.02/14,355.88
  6. Step 6: Final answer
    x = 8,378.16

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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.