Home / 19,295.06-26,612.16-12,919.63

Finding the Fourth Proportional to 19,295.06, 26,612.16 and 12,919.63

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Solution

The fourth proportional to 19,295.06, 26,612.16 and 12,919.63 is: 17,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.06 : 26,612.16 = 12,919.63 : x
  2. Step 2: Convert to fraction form
    19,295.06/26,612.16 = 12,919.63/x
  3. Step 3: Cross multiply
    19,295.06x = 26,612.16 × 12,919.63
  4. Step 4: Simplify right side
    19,295.06x = 343,819,260.70
  5. Step 5: Solve for x
    x = 343,819,260.70/19,295.06
  6. Step 6: Final answer
    x = 17,819.03

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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.