Home / 17,132.81-23,643.28-9,680.81

Finding the Fourth Proportional to 17,132.81, 23,643.28 and 9,680.81

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Solution

The fourth proportional to 17,132.81, 23,643.28 and 9,680.81 is: 13,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.81 : 23,643.28 = 9,680.81 : x
  2. Step 2: Convert to fraction form
    17,132.81/23,643.28 = 9,680.81/x
  3. Step 3: Cross multiply
    17,132.81x = 23,643.28 × 9,680.81
  4. Step 4: Simplify right side
    17,132.81x = 228,886,172.67
  5. Step 5: Solve for x
    x = 228,886,172.67/17,132.81
  6. Step 6: Final answer
    x = 13,359.52

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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.