Home / 19,845.36-29,626.02-19,152.78

Finding the Fourth Proportional to 19,845.36, 29,626.02 and 19,152.78

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Solution

The fourth proportional to 19,845.36, 29,626.02 and 19,152.78 is: 28,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.36 : 29,626.02 = 19,152.78 : x
  2. Step 2: Convert to fraction form
    19,845.36/29,626.02 = 19,152.78/x
  3. Step 3: Cross multiply
    19,845.36x = 29,626.02 × 19,152.78
  4. Step 4: Simplify right side
    19,845.36x = 567,420,643.34
  5. Step 5: Solve for x
    x = 567,420,643.34/19,845.36
  6. Step 6: Final answer
    x = 28,592.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.