Home / 15,699.29-21,652.49-10,327.25

Finding the Fourth Proportional to 15,699.29, 21,652.49 and 10,327.25

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Solution

The fourth proportional to 15,699.29, 21,652.49 and 10,327.25 is: 14,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.29 : 21,652.49 = 10,327.25 : x
  2. Step 2: Convert to fraction form
    15,699.29/21,652.49 = 10,327.25/x
  3. Step 3: Cross multiply
    15,699.29x = 21,652.49 × 10,327.25
  4. Step 4: Simplify right side
    15,699.29x = 223,610,606.46
  5. Step 5: Solve for x
    x = 223,610,606.46/15,699.29
  6. Step 6: Final answer
    x = 14,243.35

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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.