Home / 26,931.51-40,406.99-9,403.92

Finding the Fourth Proportional to 26,931.51, 40,406.99 and 9,403.92

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Solution

The fourth proportional to 26,931.51, 40,406.99 and 9,403.92 is: 14,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.51 : 40,406.99 = 9,403.92 : x
  2. Step 2: Convert to fraction form
    26,931.51/40,406.99 = 9,403.92/x
  3. Step 3: Cross multiply
    26,931.51x = 40,406.99 × 9,403.92
  4. Step 4: Simplify right side
    26,931.51x = 379,984,054.38
  5. Step 5: Solve for x
    x = 379,984,054.38/26,931.51
  6. Step 6: Final answer
    x = 14,109.27

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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.