Home / 19,329.65-26,675.57-18,443.91

Finding the Fourth Proportional to 19,329.65, 26,675.57 and 18,443.91

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Solution

The fourth proportional to 19,329.65, 26,675.57 and 18,443.91 is: 25,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.65 : 26,675.57 = 18,443.91 : x
  2. Step 2: Convert to fraction form
    19,329.65/26,675.57 = 18,443.91/x
  3. Step 3: Cross multiply
    19,329.65x = 26,675.57 × 18,443.91
  4. Step 4: Simplify right side
    19,329.65x = 492,001,720.06
  5. Step 5: Solve for x
    x = 492,001,720.06/19,329.65
  6. Step 6: Final answer
    x = 25,453.22

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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.