Home / 13,937.95-19,234.36-7,888.08

Finding the Fourth Proportional to 13,937.95, 19,234.36 and 7,888.08

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Solution

The fourth proportional to 13,937.95, 19,234.36 and 7,888.08 is: 10,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.95 : 19,234.36 = 7,888.08 : x
  2. Step 2: Convert to fraction form
    13,937.95/19,234.36 = 7,888.08/x
  3. Step 3: Cross multiply
    13,937.95x = 19,234.36 × 7,888.08
  4. Step 4: Simplify right side
    13,937.95x = 151,722,058.86
  5. Step 5: Solve for x
    x = 151,722,058.86/13,937.95
  6. Step 6: Final answer
    x = 10,885.54

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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.