Home / 19,017.12-26,243.79-10,518.79

Finding the Fourth Proportional to 19,017.12, 26,243.79 and 10,518.79

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Solution

The fourth proportional to 19,017.12, 26,243.79 and 10,518.79 is: 14,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.12 : 26,243.79 = 10,518.79 : x
  2. Step 2: Convert to fraction form
    19,017.12/26,243.79 = 10,518.79/x
  3. Step 3: Cross multiply
    19,017.12x = 26,243.79 × 10,518.79
  4. Step 4: Simplify right side
    19,017.12x = 276,052,915.81
  5. Step 5: Solve for x
    x = 276,052,915.81/19,017.12
  6. Step 6: Final answer
    x = 14,516.02

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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.