Home / 16,503.58-22,780.10-11,133.79

Finding the Fourth Proportional to 16,503.58, 22,780.10 and 11,133.79

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Solution

The fourth proportional to 16,503.58, 22,780.10 and 11,133.79 is: 15,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.58 : 22,780.10 = 11,133.79 : x
  2. Step 2: Convert to fraction form
    16,503.58/22,780.10 = 11,133.79/x
  3. Step 3: Cross multiply
    16,503.58x = 22,780.10 × 11,133.79
  4. Step 4: Simplify right side
    16,503.58x = 253,628,820.46
  5. Step 5: Solve for x
    x = 253,628,820.46/16,503.58
  6. Step 6: Final answer
    x = 15,368.11

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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.