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Finding the Fourth Proportional to 14,403, 19,882.80 and 10,157.52

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Solution

The fourth proportional to 14,403, 19,882.80 and 10,157.52 is: 14,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403 : 19,882.80 = 10,157.52 : x
  2. Step 2: Convert to fraction form
    14,403/19,882.80 = 10,157.52/x
  3. Step 3: Cross multiply
    14,403x = 19,882.80 × 10,157.52
  4. Step 4: Simplify right side
    14,403x = 201,959,938.66
  5. Step 5: Solve for x
    x = 201,959,938.66/14,403
  6. Step 6: Final answer
    x = 14,022.07

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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.