Home / 19,898.09-27,458.70-10,945.52

Finding the Fourth Proportional to 19,898.09, 27,458.70 and 10,945.52

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Solution

The fourth proportional to 19,898.09, 27,458.70 and 10,945.52 is: 15,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.09 : 27,458.70 = 10,945.52 : x
  2. Step 2: Convert to fraction form
    19,898.09/27,458.70 = 10,945.52/x
  3. Step 3: Cross multiply
    19,898.09x = 27,458.70 × 10,945.52
  4. Step 4: Simplify right side
    19,898.09x = 300,549,636.04
  5. Step 5: Solve for x
    x = 300,549,636.04/19,898.09
  6. Step 6: Final answer
    x = 15,104.44

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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.