Home / 14,743.77-20,346.29-8,029.40

Finding the Fourth Proportional to 14,743.77, 20,346.29 and 8,029.40

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Solution

The fourth proportional to 14,743.77, 20,346.29 and 8,029.40 is: 11,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.77 : 20,346.29 = 8,029.40 : x
  2. Step 2: Convert to fraction form
    14,743.77/20,346.29 = 8,029.40/x
  3. Step 3: Cross multiply
    14,743.77x = 20,346.29 × 8,029.40
  4. Step 4: Simplify right side
    14,743.77x = 163,368,359.05
  5. Step 5: Solve for x
    x = 163,368,359.05/14,743.77
  6. Step 6: Final answer
    x = 11,080.50

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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.