Home / 13,572.02-18,730.76-7,604.75

Finding the Fourth Proportional to 13,572.02, 18,730.76 and 7,604.75

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Solution

The fourth proportional to 13,572.02, 18,730.76 and 7,604.75 is: 10,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.02 : 18,730.76 = 7,604.75 : x
  2. Step 2: Convert to fraction form
    13,572.02/18,730.76 = 7,604.75/x
  3. Step 3: Cross multiply
    13,572.02x = 18,730.76 × 7,604.75
  4. Step 4: Simplify right side
    13,572.02x = 142,442,615.43
  5. Step 5: Solve for x
    x = 142,442,615.43/13,572.02
  6. Step 6: Final answer
    x = 10,495.32

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Half scale
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Double scale
Find fourth proportional to 13,573.02, 18,732.14 and 7,605.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.