Home / 13,132.20-19,638.36-9,802.74

Finding the Fourth Proportional to 13,132.20, 19,638.36 and 9,802.74

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Solution

The fourth proportional to 13,132.20, 19,638.36 and 9,802.74 is: 14,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.20 : 19,638.36 = 9,802.74 : x
  2. Step 2: Convert to fraction form
    13,132.20/19,638.36 = 9,802.74/x
  3. Step 3: Cross multiply
    13,132.20x = 19,638.36 × 9,802.74
  4. Step 4: Simplify right side
    13,132.20x = 192,509,737.11
  5. Step 5: Solve for x
    x = 192,509,737.11/13,132.20
  6. Step 6: Final answer
    x = 14,659.37

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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.