Home / 17,409.04-26,122.56-8,643.76

Finding the Fourth Proportional to 17,409.04, 26,122.56 and 8,643.76

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Solution

The fourth proportional to 17,409.04, 26,122.56 and 8,643.76 is: 12,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.04 : 26,122.56 = 8,643.76 : x
  2. Step 2: Convert to fraction form
    17,409.04/26,122.56 = 8,643.76/x
  3. Step 3: Cross multiply
    17,409.04x = 26,122.56 × 8,643.76
  4. Step 4: Simplify right side
    17,409.04x = 225,797,139.23
  5. Step 5: Solve for x
    x = 225,797,139.23/17,409.04
  6. Step 6: Final answer
    x = 12,970.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.