Home / 34,188.56-47,178.60-19,846.16

Finding the Fourth Proportional to 34,188.56, 47,178.60 and 19,846.16

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Solution

The fourth proportional to 34,188.56, 47,178.60 and 19,846.16 is: 27,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,188.56 : 47,178.60 = 19,846.16 : x
  2. Step 2: Convert to fraction form
    34,188.56/47,178.60 = 19,846.16/x
  3. Step 3: Cross multiply
    34,188.56x = 47,178.60 × 19,846.16
  4. Step 4: Simplify right side
    34,188.56x = 936,314,044.18
  5. Step 5: Solve for x
    x = 936,314,044.18/34,188.56
  6. Step 6: Final answer
    x = 27,386.76

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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.