Home / 34,395.74-47,455.47-19,286.30

Finding the Fourth Proportional to 34,395.74, 47,455.47 and 19,286.30

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Solution

The fourth proportional to 34,395.74, 47,455.47 and 19,286.30 is: 26,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,395.74 : 47,455.47 = 19,286.30 : x
  2. Step 2: Convert to fraction form
    34,395.74/47,455.47 = 19,286.30/x
  3. Step 3: Cross multiply
    34,395.74x = 47,455.47 × 19,286.30
  4. Step 4: Simplify right side
    34,395.74x = 915,240,549.70
  5. Step 5: Solve for x
    x = 915,240,549.70/34,395.74
  6. Step 6: Final answer
    x = 26,609.13

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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.