Home / 14,778.05-22,017.72-14,072.74

Finding the Fourth Proportional to 14,778.05, 22,017.72 and 14,072.74

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Solution

The fourth proportional to 14,778.05, 22,017.72 and 14,072.74 is: 20,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.05 : 22,017.72 = 14,072.74 : x
  2. Step 2: Convert to fraction form
    14,778.05/22,017.72 = 14,072.74/x
  3. Step 3: Cross multiply
    14,778.05x = 22,017.72 × 14,072.74
  4. Step 4: Simplify right side
    14,778.05x = 309,849,557.63
  5. Step 5: Solve for x
    x = 309,849,557.63/14,778.05
  6. Step 6: Final answer
    x = 20,966.88

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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.