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Finding the Fourth Proportional to 19,248.60, 28,856.70 and 10,014.60

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Solution

The fourth proportional to 19,248.60, 28,856.70 and 10,014.60 is: 15,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.60 : 28,856.70 = 10,014.60 : x
  2. Step 2: Convert to fraction form
    19,248.60/28,856.70 = 10,014.60/x
  3. Step 3: Cross multiply
    19,248.60x = 28,856.70 × 10,014.60
  4. Step 4: Simplify right side
    19,248.60x = 288,988,307.82
  5. Step 5: Solve for x
    x = 288,988,307.82/19,248.60
  6. Step 6: Final answer
    x = 15,013.47

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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.