Home / 14,140.96-19,515.20-7,852.96

Finding the Fourth Proportional to 14,140.96, 19,515.20 and 7,852.96

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Solution

The fourth proportional to 14,140.96, 19,515.20 and 7,852.96 is: 10,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.96 : 19,515.20 = 7,852.96 : x
  2. Step 2: Convert to fraction form
    14,140.96/19,515.20 = 7,852.96/x
  3. Step 3: Cross multiply
    14,140.96x = 19,515.20 × 7,852.96
  4. Step 4: Simplify right side
    14,140.96x = 153,252,084.99
  5. Step 5: Solve for x
    x = 153,252,084.99/14,140.96
  6. Step 6: Final answer
    x = 10,837.46

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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.