Home / 25,175.93-37,681.70-18,510.66

Finding the Fourth Proportional to 25,175.93, 37,681.70 and 18,510.66

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Solution

The fourth proportional to 25,175.93, 37,681.70 and 18,510.66 is: 27,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.93 : 37,681.70 = 18,510.66 : x
  2. Step 2: Convert to fraction form
    25,175.93/37,681.70 = 18,510.66/x
  3. Step 3: Cross multiply
    25,175.93x = 37,681.70 × 18,510.66
  4. Step 4: Simplify right side
    25,175.93x = 697,513,044.37
  5. Step 5: Solve for x
    x = 697,513,044.37/25,175.93
  6. Step 6: Final answer
    x = 27,705.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.