Home / 14,148.40-21,304.81-10,476.64

Finding the Fourth Proportional to 14,148.40, 21,304.81 and 10,476.64

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Solution

The fourth proportional to 14,148.40, 21,304.81 and 10,476.64 is: 15,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.40 : 21,304.81 = 10,476.64 : x
  2. Step 2: Convert to fraction form
    14,148.40/21,304.81 = 10,476.64/x
  3. Step 3: Cross multiply
    14,148.40x = 21,304.81 × 10,476.64
  4. Step 4: Simplify right side
    14,148.40x = 223,202,824.64
  5. Step 5: Solve for x
    x = 223,202,824.64/14,148.40
  6. Step 6: Final answer
    x = 15,775.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.