Home / 34,659.12-47,828.66-19,551.20

Finding the Fourth Proportional to 34,659.12, 47,828.66 and 19,551.20

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Solution

The fourth proportional to 34,659.12, 47,828.66 and 19,551.20 is: 26,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.12 : 47,828.66 = 19,551.20 : x
  2. Step 2: Convert to fraction form
    34,659.12/47,828.66 = 19,551.20/x
  3. Step 3: Cross multiply
    34,659.12x = 47,828.66 × 19,551.20
  4. Step 4: Simplify right side
    34,659.12x = 935,107,697.39
  5. Step 5: Solve for x
    x = 935,107,697.39/34,659.12
  6. Step 6: Final answer
    x = 26,980.13

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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.