Home / 26,226.99-36,208.08-18,172.35

Finding the Fourth Proportional to 26,226.99, 36,208.08 and 18,172.35

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Solution

The fourth proportional to 26,226.99, 36,208.08 and 18,172.35 is: 25,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,226.99 : 36,208.08 = 18,172.35 : x
  2. Step 2: Convert to fraction form
    26,226.99/36,208.08 = 18,172.35/x
  3. Step 3: Cross multiply
    26,226.99x = 36,208.08 × 18,172.35
  4. Step 4: Simplify right side
    26,226.99x = 657,985,902.59
  5. Step 5: Solve for x
    x = 657,985,902.59/26,226.99
  6. Step 6: Final answer
    x = 25,088.12

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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.