Home / 14,985.72-22,472.71-5,620.63

Finding the Fourth Proportional to 14,985.72, 22,472.71 and 5,620.63

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Solution

The fourth proportional to 14,985.72, 22,472.71 and 5,620.63 is: 8,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.72 : 22,472.71 = 5,620.63 : x
  2. Step 2: Convert to fraction form
    14,985.72/22,472.71 = 5,620.63/x
  3. Step 3: Cross multiply
    14,985.72x = 22,472.71 × 5,620.63
  4. Step 4: Simplify right side
    14,985.72x = 126,310,788.01
  5. Step 5: Solve for x
    x = 126,310,788.01/14,985.72
  6. Step 6: Final answer
    x = 8,428.74

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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.