Home / 14,442.24-19,929.60-8,155.52

Finding the Fourth Proportional to 14,442.24, 19,929.60 and 8,155.52

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Solution

The fourth proportional to 14,442.24, 19,929.60 and 8,155.52 is: 11,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.24 : 19,929.60 = 8,155.52 : x
  2. Step 2: Convert to fraction form
    14,442.24/19,929.60 = 8,155.52/x
  3. Step 3: Cross multiply
    14,442.24x = 19,929.60 × 8,155.52
  4. Step 4: Simplify right side
    14,442.24x = 162,536,251.39
  5. Step 5: Solve for x
    x = 162,536,251.39/14,442.24
  6. Step 6: Final answer
    x = 11,254.23

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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.