Home / 19,060.36-26,280.42-16,403.20

Finding the Fourth Proportional to 19,060.36, 26,280.42 and 16,403.20

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Solution

The fourth proportional to 19,060.36, 26,280.42 and 16,403.20 is: 22,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.36 : 26,280.42 = 16,403.20 : x
  2. Step 2: Convert to fraction form
    19,060.36/26,280.42 = 16,403.20/x
  3. Step 3: Cross multiply
    19,060.36x = 26,280.42 × 16,403.20
  4. Step 4: Simplify right side
    19,060.36x = 431,082,985.34
  5. Step 5: Solve for x
    x = 431,082,985.34/19,060.36
  6. Step 6: Final answer
    x = 22,616.73

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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.