Home / 19,012.93-26,229.12-12,300.74

Finding the Fourth Proportional to 19,012.93, 26,229.12 and 12,300.74

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Solution

The fourth proportional to 19,012.93, 26,229.12 and 12,300.74 is: 16,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.93 : 26,229.12 = 12,300.74 : x
  2. Step 2: Convert to fraction form
    19,012.93/26,229.12 = 12,300.74/x
  3. Step 3: Cross multiply
    19,012.93x = 26,229.12 × 12,300.74
  4. Step 4: Simplify right side
    19,012.93x = 322,637,432.87
  5. Step 5: Solve for x
    x = 322,637,432.87/19,012.93
  6. Step 6: Final answer
    x = 16,969.37

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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.