Home / 19,521.48-29,298.60-10,164.75

Finding the Fourth Proportional to 19,521.48, 29,298.60 and 10,164.75

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Solution

The fourth proportional to 19,521.48, 29,298.60 and 10,164.75 is: 15,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.48 : 29,298.60 = 10,164.75 : x
  2. Step 2: Convert to fraction form
    19,521.48/29,298.60 = 10,164.75/x
  3. Step 3: Cross multiply
    19,521.48x = 29,298.60 × 10,164.75
  4. Step 4: Simplify right side
    19,521.48x = 297,812,944.35
  5. Step 5: Solve for x
    x = 297,812,944.35/19,521.48
  6. Step 6: Final answer
    x = 15,255.65

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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.