Home / 19,033.50-26,277.75-12,421.02

Finding the Fourth Proportional to 19,033.50, 26,277.75 and 12,421.02

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Solution

The fourth proportional to 19,033.50, 26,277.75 and 12,421.02 is: 17,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.50 : 26,277.75 = 12,421.02 : x
  2. Step 2: Convert to fraction form
    19,033.50/26,277.75 = 12,421.02/x
  3. Step 3: Cross multiply
    19,033.50x = 26,277.75 × 12,421.02
  4. Step 4: Simplify right side
    19,033.50x = 326,396,458.31
  5. Step 5: Solve for x
    x = 326,396,458.31/19,033.50
  6. Step 6: Final answer
    x = 17,148.53

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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.