Home / 13,403.18-18,496.50-7,435.24

Finding the Fourth Proportional to 13,403.18, 18,496.50 and 7,435.24

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Solution

The fourth proportional to 13,403.18, 18,496.50 and 7,435.24 is: 10,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.18 : 18,496.50 = 7,435.24 : x
  2. Step 2: Convert to fraction form
    13,403.18/18,496.50 = 7,435.24/x
  3. Step 3: Cross multiply
    13,403.18x = 18,496.50 × 7,435.24
  4. Step 4: Simplify right side
    13,403.18x = 137,525,916.66
  5. Step 5: Solve for x
    x = 137,525,916.66/13,403.18
  6. Step 6: Final answer
    x = 10,260.69

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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.