Home / 34,686.28-47,866.86-19,579.12

Finding the Fourth Proportional to 34,686.28, 47,866.86 and 19,579.12

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Solution

The fourth proportional to 34,686.28, 47,866.86 and 19,579.12 is: 27,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.28 : 47,866.86 = 19,579.12 : x
  2. Step 2: Convert to fraction form
    34,686.28/47,866.86 = 19,579.12/x
  3. Step 3: Cross multiply
    34,686.28x = 47,866.86 × 19,579.12
  4. Step 4: Simplify right side
    34,686.28x = 937,190,995.96
  5. Step 5: Solve for x
    x = 937,190,995.96/34,686.28
  6. Step 6: Final answer
    x = 27,019.07

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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.