Home / 19,425.62-26,807.46-11,471.77

Finding the Fourth Proportional to 19,425.62, 26,807.46 and 11,471.77

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Solution

The fourth proportional to 19,425.62, 26,807.46 and 11,471.77 is: 15,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.62 : 26,807.46 = 11,471.77 : x
  2. Step 2: Convert to fraction form
    19,425.62/26,807.46 = 11,471.77/x
  3. Step 3: Cross multiply
    19,425.62x = 26,807.46 × 11,471.77
  4. Step 4: Simplify right side
    19,425.62x = 307,528,981.89
  5. Step 5: Solve for x
    x = 307,528,981.89/19,425.62
  6. Step 6: Final answer
    x = 15,831.10

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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.