Home / 19,866.65-27,416.33-10,914.53

Finding the Fourth Proportional to 19,866.65, 27,416.33 and 10,914.53

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Solution

The fourth proportional to 19,866.65, 27,416.33 and 10,914.53 is: 15,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.65 : 27,416.33 = 10,914.53 : x
  2. Step 2: Convert to fraction form
    19,866.65/27,416.33 = 10,914.53/x
  3. Step 3: Cross multiply
    19,866.65x = 27,416.33 × 10,914.53
  4. Step 4: Simplify right side
    19,866.65x = 299,236,164.62
  5. Step 5: Solve for x
    x = 299,236,164.62/19,866.65
  6. Step 6: Final answer
    x = 15,062.24

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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.