Home / 13,423.37-18,523.97-7,454.93

Finding the Fourth Proportional to 13,423.37, 18,523.97 and 7,454.93

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Solution

The fourth proportional to 13,423.37, 18,523.97 and 7,454.93 is: 10,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.37 : 18,523.97 = 7,454.93 : x
  2. Step 2: Convert to fraction form
    13,423.37/18,523.97 = 7,454.93/x
  3. Step 3: Cross multiply
    13,423.37x = 18,523.97 × 7,454.93
  4. Step 4: Simplify right side
    13,423.37x = 138,094,862.40
  5. Step 5: Solve for x
    x = 138,094,862.40/13,423.37
  6. Step 6: Final answer
    x = 10,287.64

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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.