Home / 26,570.10-36,665.55-15,231.47

Finding the Fourth Proportional to 26,570.10, 36,665.55 and 15,231.47

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Solution

The fourth proportional to 26,570.10, 36,665.55 and 15,231.47 is: 21,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.10 : 36,665.55 = 15,231.47 : x
  2. Step 2: Convert to fraction form
    26,570.10/36,665.55 = 15,231.47/x
  3. Step 3: Cross multiply
    26,570.10x = 36,665.55 × 15,231.47
  4. Step 4: Simplify right side
    26,570.10x = 558,470,041.53
  5. Step 5: Solve for x
    x = 558,470,041.53/26,570.10
  6. Step 6: Final answer
    x = 21,018.74

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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.