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Finding the Fourth Proportional to 14,503.16, 21,750.14 and 8,948.18

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Solution

The fourth proportional to 14,503.16, 21,750.14 and 8,948.18 is: 13,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.16 : 21,750.14 = 8,948.18 : x
  2. Step 2: Convert to fraction form
    14,503.16/21,750.14 = 8,948.18/x
  3. Step 3: Cross multiply
    14,503.16x = 21,750.14 × 8,948.18
  4. Step 4: Simplify right side
    14,503.16x = 194,624,167.75
  5. Step 5: Solve for x
    x = 194,624,167.75/14,503.16
  6. Step 6: Final answer
    x = 13,419.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.