Home / 13,132.07-19,701.75-7,292.78

Finding the Fourth Proportional to 13,132.07, 19,701.75 and 7,292.78

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Solution

The fourth proportional to 13,132.07, 19,701.75 and 7,292.78 is: 10,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.07 : 19,701.75 = 7,292.78 : x
  2. Step 2: Convert to fraction form
    13,132.07/19,701.75 = 7,292.78/x
  3. Step 3: Cross multiply
    13,132.07x = 19,701.75 × 7,292.78
  4. Step 4: Simplify right side
    13,132.07x = 143,680,528.37
  5. Step 5: Solve for x
    x = 143,680,528.37/13,132.07
  6. Step 6: Final answer
    x = 10,941.19

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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.