Home / 13,864.59-19,133.13-7,896.81

Finding the Fourth Proportional to 13,864.59, 19,133.13 and 7,896.81

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Solution

The fourth proportional to 13,864.59, 19,133.13 and 7,896.81 is: 10,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.59 : 19,133.13 = 7,896.81 : x
  2. Step 2: Convert to fraction form
    13,864.59/19,133.13 = 7,896.81/x
  3. Step 3: Cross multiply
    13,864.59x = 19,133.13 × 7,896.81
  4. Step 4: Simplify right side
    13,864.59x = 151,090,698.65
  5. Step 5: Solve for x
    x = 151,090,698.65/13,864.59
  6. Step 6: Final answer
    x = 10,897.60

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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.