Home / 15,542.12-21,441.28-10,504.50

Finding the Fourth Proportional to 15,542.12, 21,441.28 and 10,504.50

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Solution

The fourth proportional to 15,542.12, 21,441.28 and 10,504.50 is: 14,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.12 : 21,441.28 = 10,504.50 : x
  2. Step 2: Convert to fraction form
    15,542.12/21,441.28 = 10,504.50/x
  3. Step 3: Cross multiply
    15,542.12x = 21,441.28 × 10,504.50
  4. Step 4: Simplify right side
    15,542.12x = 225,229,925.76
  5. Step 5: Solve for x
    x = 225,229,925.76/15,542.12
  6. Step 6: Final answer
    x = 14,491.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.