Home / 14,148.54-19,529.46-9,670.64

Finding the Fourth Proportional to 14,148.54, 19,529.46 and 9,670.64

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Solution

The fourth proportional to 14,148.54, 19,529.46 and 9,670.64 is: 13,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.54 : 19,529.46 = 9,670.64 : x
  2. Step 2: Convert to fraction form
    14,148.54/19,529.46 = 9,670.64/x
  3. Step 3: Cross multiply
    14,148.54x = 19,529.46 × 9,670.64
  4. Step 4: Simplify right side
    14,148.54x = 188,862,279.41
  5. Step 5: Solve for x
    x = 188,862,279.41/14,148.54
  6. Step 6: Final answer
    x = 13,348.53

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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.