Home / 14,264.50-19,684.65-7,891.44

Finding the Fourth Proportional to 14,264.50, 19,684.65 and 7,891.44

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Solution

The fourth proportional to 14,264.50, 19,684.65 and 7,891.44 is: 10,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.50 : 19,684.65 = 7,891.44 : x
  2. Step 2: Convert to fraction form
    14,264.50/19,684.65 = 7,891.44/x
  3. Step 3: Cross multiply
    14,264.50x = 19,684.65 × 7,891.44
  4. Step 4: Simplify right side
    14,264.50x = 155,340,356.26
  5. Step 5: Solve for x
    x = 155,340,356.26/14,264.50
  6. Step 6: Final answer
    x = 10,890.00

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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.