Home / 19,006.60-28,542.30-10,258.60

Finding the Fourth Proportional to 19,006.60, 28,542.30 and 10,258.60

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Solution

The fourth proportional to 19,006.60, 28,542.30 and 10,258.60 is: 15,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.60 : 28,542.30 = 10,258.60 : x
  2. Step 2: Convert to fraction form
    19,006.60/28,542.30 = 10,258.60/x
  3. Step 3: Cross multiply
    19,006.60x = 28,542.30 × 10,258.60
  4. Step 4: Simplify right side
    19,006.60x = 292,804,038.78
  5. Step 5: Solve for x
    x = 292,804,038.78/19,006.60
  6. Step 6: Final answer
    x = 15,405.39

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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.