Home / 19,764.32-27,271.79-11,267.19

Finding the Fourth Proportional to 19,764.32, 27,271.79 and 11,267.19

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Solution

The fourth proportional to 19,764.32, 27,271.79 and 11,267.19 is: 15,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.32 : 27,271.79 = 11,267.19 : x
  2. Step 2: Convert to fraction form
    19,764.32/27,271.79 = 11,267.19/x
  3. Step 3: Cross multiply
    19,764.32x = 27,271.79 × 11,267.19
  4. Step 4: Simplify right side
    19,764.32x = 307,276,439.57
  5. Step 5: Solve for x
    x = 307,276,439.57/19,764.32
  6. Step 6: Final answer
    x = 15,547.03

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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.