Home / 26,415.08-36,451.84-15,804.08

Finding the Fourth Proportional to 26,415.08, 36,451.84 and 15,804.08

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Solution

The fourth proportional to 26,415.08, 36,451.84 and 15,804.08 is: 21,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.08 : 36,451.84 = 15,804.08 : x
  2. Step 2: Convert to fraction form
    26,415.08/36,451.84 = 15,804.08/x
  3. Step 3: Cross multiply
    26,415.08x = 36,451.84 × 15,804.08
  4. Step 4: Simplify right side
    26,415.08x = 576,087,795.51
  5. Step 5: Solve for x
    x = 576,087,795.51/26,415.08
  6. Step 6: Final answer
    x = 21,809.05

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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.