Home / 13,101.06-19,630.92-7,823.10

Finding the Fourth Proportional to 13,101.06, 19,630.92 and 7,823.10

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Solution

The fourth proportional to 13,101.06, 19,630.92 and 7,823.10 is: 11,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.06 : 19,630.92 = 7,823.10 : x
  2. Step 2: Convert to fraction form
    13,101.06/19,630.92 = 7,823.10/x
  3. Step 3: Cross multiply
    13,101.06x = 19,630.92 × 7,823.10
  4. Step 4: Simplify right side
    13,101.06x = 153,574,650.25
  5. Step 5: Solve for x
    x = 153,574,650.25/13,101.06
  6. Step 6: Final answer
    x = 11,722.31

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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.