Home / 14,225.45-19,631.12-7,937.82

Finding the Fourth Proportional to 14,225.45, 19,631.12 and 7,937.82

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Solution

The fourth proportional to 14,225.45, 19,631.12 and 7,937.82 is: 10,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.45 : 19,631.12 = 7,937.82 : x
  2. Step 2: Convert to fraction form
    14,225.45/19,631.12 = 7,937.82/x
  3. Step 3: Cross multiply
    14,225.45x = 19,631.12 × 7,937.82
  4. Step 4: Simplify right side
    14,225.45x = 155,828,257.27
  5. Step 5: Solve for x
    x = 155,828,257.27/14,225.45
  6. Step 6: Final answer
    x = 10,954.19

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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.