Home / 19,770.60-29,667.58-7,299.36

Finding the Fourth Proportional to 19,770.60, 29,667.58 and 7,299.36

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Solution

The fourth proportional to 19,770.60, 29,667.58 and 7,299.36 is: 10,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.60 : 29,667.58 = 7,299.36 : x
  2. Step 2: Convert to fraction form
    19,770.60/29,667.58 = 7,299.36/x
  3. Step 3: Cross multiply
    19,770.60x = 29,667.58 × 7,299.36
  4. Step 4: Simplify right side
    19,770.60x = 216,554,346.75
  5. Step 5: Solve for x
    x = 216,554,346.75/19,770.60
  6. Step 6: Final answer
    x = 10,953.35

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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.