Home / 13,946.16-19,245.42-7,658.46

Finding the Fourth Proportional to 13,946.16, 19,245.42 and 7,658.46

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Solution

The fourth proportional to 13,946.16, 19,245.42 and 7,658.46 is: 10,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.16 : 19,245.42 = 7,658.46 : x
  2. Step 2: Convert to fraction form
    13,946.16/19,245.42 = 7,658.46/x
  3. Step 3: Cross multiply
    13,946.16x = 19,245.42 × 7,658.46
  4. Step 4: Simplify right side
    13,946.16x = 147,390,279.25
  5. Step 5: Solve for x
    x = 147,390,279.25/13,946.16
  6. Step 6: Final answer
    x = 10,568.52

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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.