Home / 19,653.81-27,122.09-10,701.30

Finding the Fourth Proportional to 19,653.81, 27,122.09 and 10,701.30

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Solution

The fourth proportional to 19,653.81, 27,122.09 and 10,701.30 is: 14,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.81 : 27,122.09 = 10,701.30 : x
  2. Step 2: Convert to fraction form
    19,653.81/27,122.09 = 10,701.30/x
  3. Step 3: Cross multiply
    19,653.81x = 27,122.09 × 10,701.30
  4. Step 4: Simplify right side
    19,653.81x = 290,241,568.21
  5. Step 5: Solve for x
    x = 290,241,568.21/19,653.81
  6. Step 6: Final answer
    x = 14,767.70

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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.