Home / 19,864.65-27,411.59-10,911.69

Finding the Fourth Proportional to 19,864.65, 27,411.59 and 10,911.69

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Solution

The fourth proportional to 19,864.65, 27,411.59 and 10,911.69 is: 15,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.65 : 27,411.59 = 10,911.69 : x
  2. Step 2: Convert to fraction form
    19,864.65/27,411.59 = 10,911.69/x
  3. Step 3: Cross multiply
    19,864.65x = 27,411.59 × 10,911.69
  4. Step 4: Simplify right side
    19,864.65x = 299,106,717.93
  5. Step 5: Solve for x
    x = 299,106,717.93/19,864.65
  6. Step 6: Final answer
    x = 15,057.24

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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.