Home / 19,767.04-27,276.96-11,384.16

Finding the Fourth Proportional to 19,767.04, 27,276.96 and 11,384.16

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Solution

The fourth proportional to 19,767.04, 27,276.96 and 11,384.16 is: 15,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.04 : 27,276.96 = 11,384.16 : x
  2. Step 2: Convert to fraction form
    19,767.04/27,276.96 = 11,384.16/x
  3. Step 3: Cross multiply
    19,767.04x = 27,276.96 × 11,384.16
  4. Step 4: Simplify right side
    19,767.04x = 310,525,276.95
  5. Step 5: Solve for x
    x = 310,525,276.95/19,767.04
  6. Step 6: Final answer
    x = 15,709.25

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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.