Home / 14,112.12-19,470.87-8,807.79

Finding the Fourth Proportional to 14,112.12, 19,470.87 and 8,807.79

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Solution

The fourth proportional to 14,112.12, 19,470.87 and 8,807.79 is: 12,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.12 : 19,470.87 = 8,807.79 : x
  2. Step 2: Convert to fraction form
    14,112.12/19,470.87 = 8,807.79/x
  3. Step 3: Cross multiply
    14,112.12x = 19,470.87 × 8,807.79
  4. Step 4: Simplify right side
    14,112.12x = 171,495,334.08
  5. Step 5: Solve for x
    x = 171,495,334.08/14,112.12
  6. Step 6: Final answer
    x = 12,152.34

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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.