Home / 14,865.11-20,498.54-10,387.23

Finding the Fourth Proportional to 14,865.11, 20,498.54 and 10,387.23

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Solution

The fourth proportional to 14,865.11, 20,498.54 and 10,387.23 is: 14,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.11 : 20,498.54 = 10,387.23 : x
  2. Step 2: Convert to fraction form
    14,865.11/20,498.54 = 10,387.23/x
  3. Step 3: Cross multiply
    14,865.11x = 20,498.54 × 10,387.23
  4. Step 4: Simplify right side
    14,865.11x = 212,923,075.61
  5. Step 5: Solve for x
    x = 212,923,075.61/14,865.11
  6. Step 6: Final answer
    x = 14,323.68

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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.