Home / 39,470.12-59,214.47-12,814.05

Finding the Fourth Proportional to 39,470.12, 59,214.47 and 12,814.05

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Solution

The fourth proportional to 39,470.12, 59,214.47 and 12,814.05 is: 19,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.12 : 59,214.47 = 12,814.05 : x
  2. Step 2: Convert to fraction form
    39,470.12/59,214.47 = 12,814.05/x
  3. Step 3: Cross multiply
    39,470.12x = 59,214.47 × 12,814.05
  4. Step 4: Simplify right side
    39,470.12x = 758,777,115.23
  5. Step 5: Solve for x
    x = 758,777,115.23/39,470.12
  6. Step 6: Final answer
    x = 19,224.09

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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.