Home / 19,239.31-26,544.45-18,605.08

Finding the Fourth Proportional to 19,239.31, 26,544.45 and 18,605.08

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Solution

The fourth proportional to 19,239.31, 26,544.45 and 18,605.08 is: 25,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.31 : 26,544.45 = 18,605.08 : x
  2. Step 2: Convert to fraction form
    19,239.31/26,544.45 = 18,605.08/x
  3. Step 3: Cross multiply
    19,239.31x = 26,544.45 × 18,605.08
  4. Step 4: Simplify right side
    19,239.31x = 493,861,615.81
  5. Step 5: Solve for x
    x = 493,861,615.81/19,239.31
  6. Step 6: Final answer
    x = 25,669.40

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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.