Home / 13,026.15-19,543.41-4,259.07

Finding the Fourth Proportional to 13,026.15, 19,543.41 and 4,259.07

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Solution

The fourth proportional to 13,026.15, 19,543.41 and 4,259.07 is: 6,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.15 : 19,543.41 = 4,259.07 : x
  2. Step 2: Convert to fraction form
    13,026.15/19,543.41 = 4,259.07/x
  3. Step 3: Cross multiply
    13,026.15x = 19,543.41 × 4,259.07
  4. Step 4: Simplify right side
    13,026.15x = 83,236,751.23
  5. Step 5: Solve for x
    x = 83,236,751.23/13,026.15
  6. Step 6: Final answer
    x = 6,389.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.