Home / 19,641.30-27,104.73-10,688.70

Finding the Fourth Proportional to 19,641.30, 27,104.73 and 10,688.70

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Solution

The fourth proportional to 19,641.30, 27,104.73 and 10,688.70 is: 14,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.30 : 27,104.73 = 10,688.70 : x
  2. Step 2: Convert to fraction form
    19,641.30/27,104.73 = 10,688.70/x
  3. Step 3: Cross multiply
    19,641.30x = 27,104.73 × 10,688.70
  4. Step 4: Simplify right side
    19,641.30x = 289,714,327.55
  5. Step 5: Solve for x
    x = 289,714,327.55/19,641.30
  6. Step 6: Final answer
    x = 14,750.26

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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.