Home / 15,043.74-20,767.28-10,740.21

Finding the Fourth Proportional to 15,043.74, 20,767.28 and 10,740.21

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Solution

The fourth proportional to 15,043.74, 20,767.28 and 10,740.21 is: 14,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.74 : 20,767.28 = 10,740.21 : x
  2. Step 2: Convert to fraction form
    15,043.74/20,767.28 = 10,740.21/x
  3. Step 3: Cross multiply
    15,043.74x = 20,767.28 × 10,740.21
  4. Step 4: Simplify right side
    15,043.74x = 223,044,816.75
  5. Step 5: Solve for x
    x = 223,044,816.75/15,043.74
  6. Step 6: Final answer
    x = 14,826.42

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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.