Home / 14,079.93-21,113.07-5,756.64

Finding the Fourth Proportional to 14,079.93, 21,113.07 and 5,756.64

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Solution

The fourth proportional to 14,079.93, 21,113.07 and 5,756.64 is: 8,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.93 : 21,113.07 = 5,756.64 : x
  2. Step 2: Convert to fraction form
    14,079.93/21,113.07 = 5,756.64/x
  3. Step 3: Cross multiply
    14,079.93x = 21,113.07 × 5,756.64
  4. Step 4: Simplify right side
    14,079.93x = 121,540,343.28
  5. Step 5: Solve for x
    x = 121,540,343.28/14,079.93
  6. Step 6: Final answer
    x = 8,632.17

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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.