Home / 14,930.40-22,363.20-9,681.60

Finding the Fourth Proportional to 14,930.40, 22,363.20 and 9,681.60

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Solution

The fourth proportional to 14,930.40, 22,363.20 and 9,681.60 is: 14,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.40 : 22,363.20 = 9,681.60 : x
  2. Step 2: Convert to fraction form
    14,930.40/22,363.20 = 9,681.60/x
  3. Step 3: Cross multiply
    14,930.40x = 22,363.20 × 9,681.60
  4. Step 4: Simplify right side
    14,930.40x = 216,511,557.12
  5. Step 5: Solve for x
    x = 216,511,557.12/14,930.40
  6. Step 6: Final answer
    x = 14,501.39

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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.