Home / 19,715.04-29,546.40-7,223.52

Finding the Fourth Proportional to 19,715.04, 29,546.40 and 7,223.52

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Solution

The fourth proportional to 19,715.04, 29,546.40 and 7,223.52 is: 10,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.04 : 29,546.40 = 7,223.52 : x
  2. Step 2: Convert to fraction form
    19,715.04/29,546.40 = 7,223.52/x
  3. Step 3: Cross multiply
    19,715.04x = 29,546.40 × 7,223.52
  4. Step 4: Simplify right side
    19,715.04x = 213,429,011.33
  5. Step 5: Solve for x
    x = 213,429,011.33/19,715.04
  6. Step 6: Final answer
    x = 10,825.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.