Home / 29,990.04-41,386.60-16,561.06

Finding the Fourth Proportional to 29,990.04, 41,386.60 and 16,561.06

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Solution

The fourth proportional to 29,990.04, 41,386.60 and 16,561.06 is: 22,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.04 : 41,386.60 = 16,561.06 : x
  2. Step 2: Convert to fraction form
    29,990.04/41,386.60 = 16,561.06/x
  3. Step 3: Cross multiply
    29,990.04x = 41,386.60 × 16,561.06
  4. Step 4: Simplify right side
    29,990.04x = 685,405,965.80
  5. Step 5: Solve for x
    x = 685,405,965.80/29,990.04
  6. Step 6: Final answer
    x = 22,854.45

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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.