Home / 19,425.68-26,807.55-11,471.83

Finding the Fourth Proportional to 19,425.68, 26,807.55 and 11,471.83

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Solution

The fourth proportional to 19,425.68, 26,807.55 and 11,471.83 is: 15,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.68 : 26,807.55 = 11,471.83 : x
  2. Step 2: Convert to fraction form
    19,425.68/26,807.55 = 11,471.83/x
  3. Step 3: Cross multiply
    19,425.68x = 26,807.55 × 11,471.83
  4. Step 4: Simplify right side
    19,425.68x = 307,531,646.81
  5. Step 5: Solve for x
    x = 307,531,646.81/19,425.68
  6. Step 6: Final answer
    x = 15,831.19

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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.