Home / 26,390.76-39,586.40-6,669.32

Finding the Fourth Proportional to 26,390.76, 39,586.40 and 6,669.32

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Solution

The fourth proportional to 26,390.76, 39,586.40 and 6,669.32 is: 10,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.76 : 39,586.40 = 6,669.32 : x
  2. Step 2: Convert to fraction form
    26,390.76/39,586.40 = 6,669.32/x
  3. Step 3: Cross multiply
    26,390.76x = 39,586.40 × 6,669.32
  4. Step 4: Simplify right side
    26,390.76x = 264,014,385.65
  5. Step 5: Solve for x
    x = 264,014,385.65/26,390.76
  6. Step 6: Final answer
    x = 10,004.05

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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.