Home / 19,318.18-26,632.91-16,515.66

Finding the Fourth Proportional to 19,318.18, 26,632.91 and 16,515.66

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Solution

The fourth proportional to 19,318.18, 26,632.91 and 16,515.66 is: 22,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.18 : 26,632.91 = 16,515.66 : x
  2. Step 2: Convert to fraction form
    19,318.18/26,632.91 = 16,515.66/x
  3. Step 3: Cross multiply
    19,318.18x = 26,632.91 × 16,515.66
  4. Step 4: Simplify right side
    19,318.18x = 439,860,127.66
  5. Step 5: Solve for x
    x = 439,860,127.66/19,318.18
  6. Step 6: Final answer
    x = 22,769.24

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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.