Home / 19,461.59-29,203.47-7,616.32

Finding the Fourth Proportional to 19,461.59, 29,203.47 and 7,616.32

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Solution

The fourth proportional to 19,461.59, 29,203.47 and 7,616.32 is: 11,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.59 : 29,203.47 = 7,616.32 : x
  2. Step 2: Convert to fraction form
    19,461.59/29,203.47 = 7,616.32/x
  3. Step 3: Cross multiply
    19,461.59x = 29,203.47 × 7,616.32
  4. Step 4: Simplify right side
    19,461.59x = 222,422,826.61
  5. Step 5: Solve for x
    x = 222,422,826.61/19,461.59
  6. Step 6: Final answer
    x = 11,428.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.