Home / 19,430.52-26,812.56-11,874.24

Finding the Fourth Proportional to 19,430.52, 26,812.56 and 11,874.24

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Solution

The fourth proportional to 19,430.52, 26,812.56 and 11,874.24 is: 16,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.52 : 26,812.56 = 11,874.24 : x
  2. Step 2: Convert to fraction form
    19,430.52/26,812.56 = 11,874.24/x
  3. Step 3: Cross multiply
    19,430.52x = 26,812.56 × 11,874.24
  4. Step 4: Simplify right side
    19,430.52x = 318,378,772.45
  5. Step 5: Solve for x
    x = 318,378,772.45/19,430.52
  6. Step 6: Final answer
    x = 16,385.50

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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.