Home / 13,937.36-19,233.36-7,649.76

Finding the Fourth Proportional to 13,937.36, 19,233.36 and 7,649.76

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Solution

The fourth proportional to 13,937.36, 19,233.36 and 7,649.76 is: 10,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.36 : 19,233.36 = 7,649.76 : x
  2. Step 2: Convert to fraction form
    13,937.36/19,233.36 = 7,649.76/x
  3. Step 3: Cross multiply
    13,937.36x = 19,233.36 × 7,649.76
  4. Step 4: Simplify right side
    13,937.36x = 147,130,587.99
  5. Step 5: Solve for x
    x = 147,130,587.99/13,937.36
  6. Step 6: Final answer
    x = 10,556.56

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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.