Home / 13,888.15-20,832.23-8,041.57

Finding the Fourth Proportional to 13,888.15, 20,832.23 and 8,041.57

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Solution

The fourth proportional to 13,888.15, 20,832.23 and 8,041.57 is: 12,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.15 : 20,832.23 = 8,041.57 : x
  2. Step 2: Convert to fraction form
    13,888.15/20,832.23 = 8,041.57/x
  3. Step 3: Cross multiply
    13,888.15x = 20,832.23 × 8,041.57
  4. Step 4: Simplify right side
    13,888.15x = 167,523,803.82
  5. Step 5: Solve for x
    x = 167,523,803.82/13,888.15
  6. Step 6: Final answer
    x = 12,062.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.