Home / 13,403.34-18,495.02-7,433.55

Finding the Fourth Proportional to 13,403.34, 18,495.02 and 7,433.55

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Solution

The fourth proportional to 13,403.34, 18,495.02 and 7,433.55 is: 10,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.34 : 18,495.02 = 7,433.55 : x
  2. Step 2: Convert to fraction form
    13,403.34/18,495.02 = 7,433.55/x
  3. Step 3: Cross multiply
    13,403.34x = 18,495.02 × 7,433.55
  4. Step 4: Simplify right side
    13,403.34x = 137,483,618.75
  5. Step 5: Solve for x
    x = 137,483,618.75/13,403.34
  6. Step 6: Final answer
    x = 10,257.41

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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.