Home / 14,328.59-19,772.56-7,954.81

Finding the Fourth Proportional to 14,328.59, 19,772.56 and 7,954.81

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Solution

The fourth proportional to 14,328.59, 19,772.56 and 7,954.81 is: 10,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.59 : 19,772.56 = 7,954.81 : x
  2. Step 2: Convert to fraction form
    14,328.59/19,772.56 = 7,954.81/x
  3. Step 3: Cross multiply
    14,328.59x = 19,772.56 × 7,954.81
  4. Step 4: Simplify right side
    14,328.59x = 157,286,859.15
  5. Step 5: Solve for x
    x = 157,286,859.15/14,328.59
  6. Step 6: Final answer
    x = 10,977.14

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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.