Home / 26,000.87-38,965.96-10,995.51

Finding the Fourth Proportional to 26,000.87, 38,965.96 and 10,995.51

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Solution

The fourth proportional to 26,000.87, 38,965.96 and 10,995.51 is: 16,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.87 : 38,965.96 = 10,995.51 : x
  2. Step 2: Convert to fraction form
    26,000.87/38,965.96 = 10,995.51/x
  3. Step 3: Cross multiply
    26,000.87x = 38,965.96 × 10,995.51
  4. Step 4: Simplify right side
    26,000.87x = 428,450,547.86
  5. Step 5: Solve for x
    x = 428,450,547.86/26,000.87
  6. Step 6: Final answer
    x = 16,478.32

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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.