Home / 19,864.61-27,411.81-10,912.49

Finding the Fourth Proportional to 19,864.61, 27,411.81 and 10,912.49

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Solution

The fourth proportional to 19,864.61, 27,411.81 and 10,912.49 is: 15,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.61 : 27,411.81 = 10,912.49 : x
  2. Step 2: Convert to fraction form
    19,864.61/27,411.81 = 10,912.49/x
  3. Step 3: Cross multiply
    19,864.61x = 27,411.81 × 10,912.49
  4. Step 4: Simplify right side
    19,864.61x = 299,131,102.51
  5. Step 5: Solve for x
    x = 299,131,102.51/19,864.61
  6. Step 6: Final answer
    x = 15,058.49

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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.