Home / 13,966.97-19,271.65-7,834.87

Finding the Fourth Proportional to 13,966.97, 19,271.65 and 7,834.87

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Solution

The fourth proportional to 13,966.97, 19,271.65 and 7,834.87 is: 10,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.97 : 19,271.65 = 7,834.87 : x
  2. Step 2: Convert to fraction form
    13,966.97/19,271.65 = 7,834.87/x
  3. Step 3: Cross multiply
    13,966.97x = 19,271.65 × 7,834.87
  4. Step 4: Simplify right side
    13,966.97x = 150,990,804.67
  5. Step 5: Solve for x
    x = 150,990,804.67/13,966.97
  6. Step 6: Final answer
    x = 10,810.57

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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.