Home / 19,156.79-26,430.21-11,600.70

Finding the Fourth Proportional to 19,156.79, 26,430.21 and 11,600.70

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Solution

The fourth proportional to 19,156.79, 26,430.21 and 11,600.70 is: 16,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.79 : 26,430.21 = 11,600.70 : x
  2. Step 2: Convert to fraction form
    19,156.79/26,430.21 = 11,600.70/x
  3. Step 3: Cross multiply
    19,156.79x = 26,430.21 × 11,600.70
  4. Step 4: Simplify right side
    19,156.79x = 306,608,937.15
  5. Step 5: Solve for x
    x = 306,608,937.15/19,156.79
  6. Step 6: Final answer
    x = 16,005.24

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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.