Home / 39,556.17-59,321.86-11,478.16

Finding the Fourth Proportional to 39,556.17, 59,321.86 and 11,478.16

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Solution

The fourth proportional to 39,556.17, 59,321.86 and 11,478.16 is: 17,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.17 : 59,321.86 = 11,478.16 : x
  2. Step 2: Convert to fraction form
    39,556.17/59,321.86 = 11,478.16/x
  3. Step 3: Cross multiply
    39,556.17x = 59,321.86 × 11,478.16
  4. Step 4: Simplify right side
    39,556.17x = 680,905,944.24
  5. Step 5: Solve for x
    x = 680,905,944.24/39,556.17
  6. Step 6: Final answer
    x = 17,213.65

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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.