Home / 17,303.68-23,890.48-13,317.76

Finding the Fourth Proportional to 17,303.68, 23,890.48 and 13,317.76

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Solution

The fourth proportional to 17,303.68, 23,890.48 and 13,317.76 is: 18,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,303.68 : 23,890.48 = 13,317.76 : x
  2. Step 2: Convert to fraction form
    17,303.68/23,890.48 = 13,317.76/x
  3. Step 3: Cross multiply
    17,303.68x = 23,890.48 × 13,317.76
  4. Step 4: Simplify right side
    17,303.68x = 318,167,678.92
  5. Step 5: Solve for x
    x = 318,167,678.92/17,303.68
  6. Step 6: Final answer
    x = 18,387.28

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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.