Home / 14,152.76-19,525.16-9,902.68

Finding the Fourth Proportional to 14,152.76, 19,525.16 and 9,902.68

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Solution

The fourth proportional to 14,152.76, 19,525.16 and 9,902.68 is: 13,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.76 : 19,525.16 = 9,902.68 : x
  2. Step 2: Convert to fraction form
    14,152.76/19,525.16 = 9,902.68/x
  3. Step 3: Cross multiply
    14,152.76x = 19,525.16 × 9,902.68
  4. Step 4: Simplify right side
    14,152.76x = 193,351,411.43
  5. Step 5: Solve for x
    x = 193,351,411.43/14,152.76
  6. Step 6: Final answer
    x = 13,661.75

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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.