Home / 19,425.30-26,816.67-11,470.02

Finding the Fourth Proportional to 19,425.30, 26,816.67 and 11,470.02

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Solution

The fourth proportional to 19,425.30, 26,816.67 and 11,470.02 is: 15,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.30 : 26,816.67 = 11,470.02 : x
  2. Step 2: Convert to fraction form
    19,425.30/26,816.67 = 11,470.02/x
  3. Step 3: Cross multiply
    19,425.30x = 26,816.67 × 11,470.02
  4. Step 4: Simplify right side
    19,425.30x = 307,587,741.23
  5. Step 5: Solve for x
    x = 307,587,741.23/19,425.30
  6. Step 6: Final answer
    x = 15,834.39

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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.