Home / 18,881.79-26,055.86-10,497.75

Finding the Fourth Proportional to 18,881.79, 26,055.86 and 10,497.75

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Solution

The fourth proportional to 18,881.79, 26,055.86 and 10,497.75 is: 14,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.79 : 26,055.86 = 10,497.75 : x
  2. Step 2: Convert to fraction form
    18,881.79/26,055.86 = 10,497.75/x
  3. Step 3: Cross multiply
    18,881.79x = 26,055.86 × 10,497.75
  4. Step 4: Simplify right side
    18,881.79x = 273,527,851.83
  5. Step 5: Solve for x
    x = 273,527,851.83/18,881.79
  6. Step 6: Final answer
    x = 14,486.33

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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.