Home / 21,801.96-30,095.84-14,737.95

Finding the Fourth Proportional to 21,801.96, 30,095.84 and 14,737.95

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Solution

The fourth proportional to 21,801.96, 30,095.84 and 14,737.95 is: 20,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.96 : 30,095.84 = 14,737.95 : x
  2. Step 2: Convert to fraction form
    21,801.96/30,095.84 = 14,737.95/x
  3. Step 3: Cross multiply
    21,801.96x = 30,095.84 × 14,737.95
  4. Step 4: Simplify right side
    21,801.96x = 443,550,985.13
  5. Step 5: Solve for x
    x = 443,550,985.13/21,801.96
  6. Step 6: Final answer
    x = 20,344.55

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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.