Home / 19,842.76-29,771.62-10,482.40

Finding the Fourth Proportional to 19,842.76, 29,771.62 and 10,482.40

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Solution

The fourth proportional to 19,842.76, 29,771.62 and 10,482.40 is: 15,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.76 : 29,771.62 = 10,482.40 : x
  2. Step 2: Convert to fraction form
    19,842.76/29,771.62 = 10,482.40/x
  3. Step 3: Cross multiply
    19,842.76x = 29,771.62 × 10,482.40
  4. Step 4: Simplify right side
    19,842.76x = 312,078,029.49
  5. Step 5: Solve for x
    x = 312,078,029.49/19,842.76
  6. Step 6: Final answer
    x = 15,727.55

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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.