Home / 12,589.84-17,386.56-10,373.68

Finding the Fourth Proportional to 12,589.84, 17,386.56 and 10,373.68

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Solution

The fourth proportional to 12,589.84, 17,386.56 and 10,373.68 is: 14,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.84 : 17,386.56 = 10,373.68 : x
  2. Step 2: Convert to fraction form
    12,589.84/17,386.56 = 10,373.68/x
  3. Step 3: Cross multiply
    12,589.84x = 17,386.56 × 10,373.68
  4. Step 4: Simplify right side
    12,589.84x = 180,362,609.74
  5. Step 5: Solve for x
    x = 180,362,609.74/12,589.84
  6. Step 6: Final answer
    x = 14,326.04

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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.