Home / 14,089.64-19,412.39-9,301.05

Finding the Fourth Proportional to 14,089.64, 19,412.39 and 9,301.05

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Solution

The fourth proportional to 14,089.64, 19,412.39 and 9,301.05 is: 12,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.64 : 19,412.39 = 9,301.05 : x
  2. Step 2: Convert to fraction form
    14,089.64/19,412.39 = 9,301.05/x
  3. Step 3: Cross multiply
    14,089.64x = 19,412.39 × 9,301.05
  4. Step 4: Simplify right side
    14,089.64x = 180,555,563.50
  5. Step 5: Solve for x
    x = 180,555,563.50/14,089.64
  6. Step 6: Final answer
    x = 12,814.78

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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.