Home / 19,908.66-27,474.08-10,955.91

Finding the Fourth Proportional to 19,908.66, 27,474.08 and 10,955.91

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Solution

The fourth proportional to 19,908.66, 27,474.08 and 10,955.91 is: 15,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.66 : 27,474.08 = 10,955.91 : x
  2. Step 2: Convert to fraction form
    19,908.66/27,474.08 = 10,955.91/x
  3. Step 3: Cross multiply
    19,908.66x = 27,474.08 × 10,955.91
  4. Step 4: Simplify right side
    19,908.66x = 301,003,547.81
  5. Step 5: Solve for x
    x = 301,003,547.81/19,908.66
  6. Step 6: Final answer
    x = 15,119.23

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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.