Home / 14,298.05-19,731.80-7,924.57

Finding the Fourth Proportional to 14,298.05, 19,731.80 and 7,924.57

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Solution

The fourth proportional to 14,298.05, 19,731.80 and 7,924.57 is: 10,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.05 : 19,731.80 = 7,924.57 : x
  2. Step 2: Convert to fraction form
    14,298.05/19,731.80 = 7,924.57/x
  3. Step 3: Cross multiply
    14,298.05x = 19,731.80 × 7,924.57
  4. Step 4: Simplify right side
    14,298.05x = 156,366,000.81
  5. Step 5: Solve for x
    x = 156,366,000.81/14,298.05
  6. Step 6: Final answer
    x = 10,936.17

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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.