Home / 19,399.61-26,769.47-10,900.38

Finding the Fourth Proportional to 19,399.61, 26,769.47 and 10,900.38

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Solution

The fourth proportional to 19,399.61, 26,769.47 and 10,900.38 is: 15,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.61 : 26,769.47 = 10,900.38 : x
  2. Step 2: Convert to fraction form
    19,399.61/26,769.47 = 10,900.38/x
  3. Step 3: Cross multiply
    19,399.61x = 26,769.47 × 10,900.38
  4. Step 4: Simplify right side
    19,399.61x = 291,797,482.16
  5. Step 5: Solve for x
    x = 291,797,482.16/19,399.61
  6. Step 6: Final answer
    x = 15,041.41

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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.