Home / 19,235.60-28,837.20-10,001.60

Finding the Fourth Proportional to 19,235.60, 28,837.20 and 10,001.60

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Solution

The fourth proportional to 19,235.60, 28,837.20 and 10,001.60 is: 14,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.60 : 28,837.20 = 10,001.60 : x
  2. Step 2: Convert to fraction form
    19,235.60/28,837.20 = 10,001.60/x
  3. Step 3: Cross multiply
    19,235.60x = 28,837.20 × 10,001.60
  4. Step 4: Simplify right side
    19,235.60x = 288,418,139.52
  5. Step 5: Solve for x
    x = 288,418,139.52/19,235.60
  6. Step 6: Final answer
    x = 14,993.98

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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.