Home / 19,955.56-29,864.22-16,403.08

Finding the Fourth Proportional to 19,955.56, 29,864.22 and 16,403.08

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Solution

The fourth proportional to 19,955.56, 29,864.22 and 16,403.08 is: 24,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.56 : 29,864.22 = 16,403.08 : x
  2. Step 2: Convert to fraction form
    19,955.56/29,864.22 = 16,403.08/x
  3. Step 3: Cross multiply
    19,955.56x = 29,864.22 × 16,403.08
  4. Step 4: Simplify right side
    19,955.56x = 489,865,189.80
  5. Step 5: Solve for x
    x = 489,865,189.80/19,955.56
  6. Step 6: Final answer
    x = 24,547.80

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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.