Home / 29,318.51-40,444.62-18,545.23

Finding the Fourth Proportional to 29,318.51, 40,444.62 and 18,545.23

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Solution

The fourth proportional to 29,318.51, 40,444.62 and 18,545.23 is: 25,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.51 : 40,444.62 = 18,545.23 : x
  2. Step 2: Convert to fraction form
    29,318.51/40,444.62 = 18,545.23/x
  3. Step 3: Cross multiply
    29,318.51x = 40,444.62 × 18,545.23
  4. Step 4: Simplify right side
    29,318.51x = 750,054,647.42
  5. Step 5: Solve for x
    x = 750,054,647.42/29,318.51
  6. Step 6: Final answer
    x = 25,582.98

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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.