Home / 14,243.09-21,368.96-10,091.13

Finding the Fourth Proportional to 14,243.09, 21,368.96 and 10,091.13

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Solution

The fourth proportional to 14,243.09, 21,368.96 and 10,091.13 is: 15,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.09 : 21,368.96 = 10,091.13 : x
  2. Step 2: Convert to fraction form
    14,243.09/21,368.96 = 10,091.13/x
  3. Step 3: Cross multiply
    14,243.09x = 21,368.96 × 10,091.13
  4. Step 4: Simplify right side
    14,243.09x = 215,637,037.54
  5. Step 5: Solve for x
    x = 215,637,037.54/14,243.09
  6. Step 6: Final answer
    x = 15,139.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.