Home / 26,649.51-40,000.19-12,808.23

Finding the Fourth Proportional to 26,649.51, 40,000.19 and 12,808.23

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Solution

The fourth proportional to 26,649.51, 40,000.19 and 12,808.23 is: 19,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.51 : 40,000.19 = 12,808.23 : x
  2. Step 2: Convert to fraction form
    26,649.51/40,000.19 = 12,808.23/x
  3. Step 3: Cross multiply
    26,649.51x = 40,000.19 × 12,808.23
  4. Step 4: Simplify right side
    26,649.51x = 512,331,569.52
  5. Step 5: Solve for x
    x = 512,331,569.52/26,649.51
  6. Step 6: Final answer
    x = 19,224.80

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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.