Home / 18,111.22-24,993.57-10,153.78

Finding the Fourth Proportional to 18,111.22, 24,993.57 and 10,153.78

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Solution

The fourth proportional to 18,111.22, 24,993.57 and 10,153.78 is: 14,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.22 : 24,993.57 = 10,153.78 : x
  2. Step 2: Convert to fraction form
    18,111.22/24,993.57 = 10,153.78/x
  3. Step 3: Cross multiply
    18,111.22x = 24,993.57 × 10,153.78
  4. Step 4: Simplify right side
    18,111.22x = 253,779,211.19
  5. Step 5: Solve for x
    x = 253,779,211.19/18,111.22
  6. Step 6: Final answer
    x = 14,012.26

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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.