Home / 22,111.12-30,526-14,579.36

Finding the Fourth Proportional to 22,111.12, 30,526 and 14,579.36

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Solution

The fourth proportional to 22,111.12, 30,526 and 14,579.36 is: 20,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,111.12 : 30,526 = 14,579.36 : x
  2. Step 2: Convert to fraction form
    22,111.12/30,526 = 14,579.36/x
  3. Step 3: Cross multiply
    22,111.12x = 30,526 × 14,579.36
  4. Step 4: Simplify right side
    22,111.12x = 445,049,543.36
  5. Step 5: Solve for x
    x = 445,049,543.36/22,111.12
  6. Step 6: Final answer
    x = 20,127.86

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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.