Home / 19,866.28-27,415.95-10,914.36

Finding the Fourth Proportional to 19,866.28, 27,415.95 and 10,914.36

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Solution

The fourth proportional to 19,866.28, 27,415.95 and 10,914.36 is: 15,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.28 : 27,415.95 = 10,914.36 : x
  2. Step 2: Convert to fraction form
    19,866.28/27,415.95 = 10,914.36/x
  3. Step 3: Cross multiply
    19,866.28x = 27,415.95 × 10,914.36
  4. Step 4: Simplify right side
    19,866.28x = 299,227,548.04
  5. Step 5: Solve for x
    x = 299,227,548.04/19,866.28
  6. Step 6: Final answer
    x = 15,062.08

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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.