Home / 14,719.07-20,312.45-8,004.75

Finding the Fourth Proportional to 14,719.07, 20,312.45 and 8,004.75

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Solution

The fourth proportional to 14,719.07, 20,312.45 and 8,004.75 is: 11,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.07 : 20,312.45 = 8,004.75 : x
  2. Step 2: Convert to fraction form
    14,719.07/20,312.45 = 8,004.75/x
  3. Step 3: Cross multiply
    14,719.07x = 20,312.45 × 8,004.75
  4. Step 4: Simplify right side
    14,719.07x = 162,596,044.11
  5. Step 5: Solve for x
    x = 162,596,044.11/14,719.07
  6. Step 6: Final answer
    x = 11,046.63

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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.