Home / 14,130.59-19,499.33-8,161.29

Finding the Fourth Proportional to 14,130.59, 19,499.33 and 8,161.29

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Solution

The fourth proportional to 14,130.59, 19,499.33 and 8,161.29 is: 11,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.59 : 19,499.33 = 8,161.29 : x
  2. Step 2: Convert to fraction form
    14,130.59/19,499.33 = 8,161.29/x
  3. Step 3: Cross multiply
    14,130.59x = 19,499.33 × 8,161.29
  4. Step 4: Simplify right side
    14,130.59x = 159,139,707.34
  5. Step 5: Solve for x
    x = 159,139,707.34/14,130.59
  6. Step 6: Final answer
    x = 11,262.07

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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.