Home / 19,303.20-26,641.44-13,996.08

Finding the Fourth Proportional to 19,303.20, 26,641.44 and 13,996.08

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Solution

The fourth proportional to 19,303.20, 26,641.44 and 13,996.08 is: 19,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.20 : 26,641.44 = 13,996.08 : x
  2. Step 2: Convert to fraction form
    19,303.20/26,641.44 = 13,996.08/x
  3. Step 3: Cross multiply
    19,303.20x = 26,641.44 × 13,996.08
  4. Step 4: Simplify right side
    19,303.20x = 372,875,725.56
  5. Step 5: Solve for x
    x = 372,875,725.56/19,303.20
  6. Step 6: Final answer
    x = 19,316.78

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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.