Home / 13,937.16-19,233.90-7,650.12

Finding the Fourth Proportional to 13,937.16, 19,233.90 and 7,650.12

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Solution

The fourth proportional to 13,937.16, 19,233.90 and 7,650.12 is: 10,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.16 : 19,233.90 = 7,650.12 : x
  2. Step 2: Convert to fraction form
    13,937.16/19,233.90 = 7,650.12/x
  3. Step 3: Cross multiply
    13,937.16x = 19,233.90 × 7,650.12
  4. Step 4: Simplify right side
    13,937.16x = 147,141,643.07
  5. Step 5: Solve for x
    x = 147,141,643.07/13,937.16
  6. Step 6: Final answer
    x = 10,557.51

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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.