Home / 14,029.20-19,320.93-13,723.02

Finding the Fourth Proportional to 14,029.20, 19,320.93 and 13,723.02

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Solution

The fourth proportional to 14,029.20, 19,320.93 and 13,723.02 is: 18,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.20 : 19,320.93 = 13,723.02 : x
  2. Step 2: Convert to fraction form
    14,029.20/19,320.93 = 13,723.02/x
  3. Step 3: Cross multiply
    14,029.20x = 19,320.93 × 13,723.02
  4. Step 4: Simplify right side
    14,029.20x = 265,141,508.81
  5. Step 5: Solve for x
    x = 265,141,508.81/14,029.20
  6. Step 6: Final answer
    x = 18,899.26

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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.