Home / 15,015.60-22,408.20-11,710.80

Finding the Fourth Proportional to 15,015.60, 22,408.20 and 11,710.80

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Solution

The fourth proportional to 15,015.60, 22,408.20 and 11,710.80 is: 17,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.60 : 22,408.20 = 11,710.80 : x
  2. Step 2: Convert to fraction form
    15,015.60/22,408.20 = 11,710.80/x
  3. Step 3: Cross multiply
    15,015.60x = 22,408.20 × 11,710.80
  4. Step 4: Simplify right side
    15,015.60x = 262,417,948.56
  5. Step 5: Solve for x
    x = 262,417,948.56/15,015.60
  6. Step 6: Final answer
    x = 17,476.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.