Home / 17,769.04-24,521.12-9,811.28

Finding the Fourth Proportional to 17,769.04, 24,521.12 and 9,811.28

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Solution

The fourth proportional to 17,769.04, 24,521.12 and 9,811.28 is: 13,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.04 : 24,521.12 = 9,811.28 : x
  2. Step 2: Convert to fraction form
    17,769.04/24,521.12 = 9,811.28/x
  3. Step 3: Cross multiply
    17,769.04x = 24,521.12 × 9,811.28
  4. Step 4: Simplify right side
    17,769.04x = 240,583,574.23
  5. Step 5: Solve for x
    x = 240,583,574.23/17,769.04
  6. Step 6: Final answer
    x = 13,539.48

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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.