Home / 19,043.79-26,280.86-12,341.09

Finding the Fourth Proportional to 19,043.79, 26,280.86 and 12,341.09

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Solution

The fourth proportional to 19,043.79, 26,280.86 and 12,341.09 is: 17,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.79 : 26,280.86 = 12,341.09 : x
  2. Step 2: Convert to fraction form
    19,043.79/26,280.86 = 12,341.09/x
  3. Step 3: Cross multiply
    19,043.79x = 26,280.86 × 12,341.09
  4. Step 4: Simplify right side
    19,043.79x = 324,334,265.43
  5. Step 5: Solve for x
    x = 324,334,265.43/19,043.79
  6. Step 6: Final answer
    x = 17,030.97

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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.