Home / 22,339.08-30,821.64-14,385.92

Finding the Fourth Proportional to 22,339.08, 30,821.64 and 14,385.92

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Solution

The fourth proportional to 22,339.08, 30,821.64 and 14,385.92 is: 19,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.08 : 30,821.64 = 14,385.92 : x
  2. Step 2: Convert to fraction form
    22,339.08/30,821.64 = 14,385.92/x
  3. Step 3: Cross multiply
    22,339.08x = 30,821.64 × 14,385.92
  4. Step 4: Simplify right side
    22,339.08x = 443,397,647.31
  5. Step 5: Solve for x
    x = 443,397,647.31/22,339.08
  6. Step 6: Final answer
    x = 19,848.52

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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.