Home / 22,062.06-30,445.87-11,990.50

Finding the Fourth Proportional to 22,062.06, 30,445.87 and 11,990.50

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Solution

The fourth proportional to 22,062.06, 30,445.87 and 11,990.50 is: 16,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.06 : 30,445.87 = 11,990.50 : x
  2. Step 2: Convert to fraction form
    22,062.06/30,445.87 = 11,990.50/x
  3. Step 3: Cross multiply
    22,062.06x = 30,445.87 × 11,990.50
  4. Step 4: Simplify right side
    22,062.06x = 365,061,143.11
  5. Step 5: Solve for x
    x = 365,061,143.11/22,062.06
  6. Step 6: Final answer
    x = 16,547.01

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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.