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Finding the Fourth Proportional to 16,353.81, 22,575.03 and 11,055.81

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Solution

The fourth proportional to 16,353.81, 22,575.03 and 11,055.81 is: 15,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,353.81 : 22,575.03 = 11,055.81 : x
  2. Step 2: Convert to fraction form
    16,353.81/22,575.03 = 11,055.81/x
  3. Step 3: Cross multiply
    16,353.81x = 22,575.03 × 11,055.81
  4. Step 4: Simplify right side
    16,353.81x = 249,585,242.42
  5. Step 5: Solve for x
    x = 249,585,242.42/16,353.81
  6. Step 6: Final answer
    x = 15,261.60

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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.