Home / 22,051.86-30,432.15-12,623.46

Finding the Fourth Proportional to 22,051.86, 30,432.15 and 12,623.46

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Solution

The fourth proportional to 22,051.86, 30,432.15 and 12,623.46 is: 17,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.86 : 30,432.15 = 12,623.46 : x
  2. Step 2: Convert to fraction form
    22,051.86/30,432.15 = 12,623.46/x
  3. Step 3: Cross multiply
    22,051.86x = 30,432.15 × 12,623.46
  4. Step 4: Simplify right side
    22,051.86x = 384,159,028.24
  5. Step 5: Solve for x
    x = 384,159,028.24/22,051.86
  6. Step 6: Final answer
    x = 17,420.71

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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.