Home / 54,423.99-81,638.82-14,980.23

Finding the Fourth Proportional to 54,423.99, 81,638.82 and 14,980.23

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Solution

The fourth proportional to 54,423.99, 81,638.82 and 14,980.23 is: 22,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.99 : 81,638.82 = 14,980.23 : x
  2. Step 2: Convert to fraction form
    54,423.99/81,638.82 = 14,980.23/x
  3. Step 3: Cross multiply
    54,423.99x = 81,638.82 × 14,980.23
  4. Step 4: Simplify right side
    54,423.99x = 1,222,968,300.53
  5. Step 5: Solve for x
    x = 1,222,968,300.53/54,423.99
  6. Step 6: Final answer
    x = 22,471.13

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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.