Home / 14,013.08-19,336.48-7,724.24

Finding the Fourth Proportional to 14,013.08, 19,336.48 and 7,724.24

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Solution

The fourth proportional to 14,013.08, 19,336.48 and 7,724.24 is: 10,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.08 : 19,336.48 = 7,724.24 : x
  2. Step 2: Convert to fraction form
    14,013.08/19,336.48 = 7,724.24/x
  3. Step 3: Cross multiply
    14,013.08x = 19,336.48 × 7,724.24
  4. Step 4: Simplify right side
    14,013.08x = 149,359,612.28
  5. Step 5: Solve for x
    x = 149,359,612.28/14,013.08
  6. Step 6: Final answer
    x = 10,658.59

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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.