Home / 19,541.80-29,226.30-16,431.40

Finding the Fourth Proportional to 19,541.80, 29,226.30 and 16,431.40

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Solution

The fourth proportional to 19,541.80, 29,226.30 and 16,431.40 is: 24,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.80 : 29,226.30 = 16,431.40 : x
  2. Step 2: Convert to fraction form
    19,541.80/29,226.30 = 16,431.40/x
  3. Step 3: Cross multiply
    19,541.80x = 29,226.30 × 16,431.40
  4. Step 4: Simplify right side
    19,541.80x = 480,229,025.82
  5. Step 5: Solve for x
    x = 480,229,025.82/19,541.80
  6. Step 6: Final answer
    x = 24,574.45

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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.