Home / 14,635.02-20,196.17-7,920.50

Finding the Fourth Proportional to 14,635.02, 20,196.17 and 7,920.50

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Solution

The fourth proportional to 14,635.02, 20,196.17 and 7,920.50 is: 10,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.02 : 20,196.17 = 7,920.50 : x
  2. Step 2: Convert to fraction form
    14,635.02/20,196.17 = 7,920.50/x
  3. Step 3: Cross multiply
    14,635.02x = 20,196.17 × 7,920.50
  4. Step 4: Simplify right side
    14,635.02x = 159,963,775.37
  5. Step 5: Solve for x
    x = 159,963,775.37/14,635.02
  6. Step 6: Final answer
    x = 10,930.21

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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.