Home / 19,187.76-26,426.16-16,534.20

Finding the Fourth Proportional to 19,187.76, 26,426.16 and 16,534.20

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Solution

The fourth proportional to 19,187.76, 26,426.16 and 16,534.20 is: 22,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.76 : 26,426.16 = 16,534.20 : x
  2. Step 2: Convert to fraction form
    19,187.76/26,426.16 = 16,534.20/x
  3. Step 3: Cross multiply
    19,187.76x = 26,426.16 × 16,534.20
  4. Step 4: Simplify right side
    19,187.76x = 436,935,414.67
  5. Step 5: Solve for x
    x = 436,935,414.67/19,187.76
  6. Step 6: Final answer
    x = 22,771.57

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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.