Home / 19,545.51-29,317.86-4,754.51

Finding the Fourth Proportional to 19,545.51, 29,317.86 and 4,754.51

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Solution

The fourth proportional to 19,545.51, 29,317.86 and 4,754.51 is: 7,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.51 : 29,317.86 = 4,754.51 : x
  2. Step 2: Convert to fraction form
    19,545.51/29,317.86 = 4,754.51/x
  3. Step 3: Cross multiply
    19,545.51x = 29,317.86 × 4,754.51
  4. Step 4: Simplify right side
    19,545.51x = 139,391,911.96
  5. Step 5: Solve for x
    x = 139,391,911.96/19,545.51
  6. Step 6: Final answer
    x = 7,131.66

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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.