Home / 18,738.40-27,970.90-16,373.76

Finding the Fourth Proportional to 18,738.40, 27,970.90 and 16,373.76

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Solution

The fourth proportional to 18,738.40, 27,970.90 and 16,373.76 is: 24,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.40 : 27,970.90 = 16,373.76 : x
  2. Step 2: Convert to fraction form
    18,738.40/27,970.90 = 16,373.76/x
  3. Step 3: Cross multiply
    18,738.40x = 27,970.90 × 16,373.76
  4. Step 4: Simplify right side
    18,738.40x = 457,988,803.58
  5. Step 5: Solve for x
    x = 457,988,803.58/18,738.40
  6. Step 6: Final answer
    x = 24,441.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.