Home / 14,435.22-19,923.57-8,470.02

Finding the Fourth Proportional to 14,435.22, 19,923.57 and 8,470.02

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Solution

The fourth proportional to 14,435.22, 19,923.57 and 8,470.02 is: 11,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.22 : 19,923.57 = 8,470.02 : x
  2. Step 2: Convert to fraction form
    14,435.22/19,923.57 = 8,470.02/x
  3. Step 3: Cross multiply
    14,435.22x = 19,923.57 × 8,470.02
  4. Step 4: Simplify right side
    14,435.22x = 168,753,036.37
  5. Step 5: Solve for x
    x = 168,753,036.37/14,435.22
  6. Step 6: Final answer
    x = 11,690.37

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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.