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Finding the Fourth Proportional to 14,553, 21,825.18 and 9,870.12

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Solution

The fourth proportional to 14,553, 21,825.18 and 9,870.12 is: 14,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553 : 21,825.18 = 9,870.12 : x
  2. Step 2: Convert to fraction form
    14,553/21,825.18 = 9,870.12/x
  3. Step 3: Cross multiply
    14,553x = 21,825.18 × 9,870.12
  4. Step 4: Simplify right side
    14,553x = 215,417,145.62
  5. Step 5: Solve for x
    x = 215,417,145.62/14,553
  6. Step 6: Final answer
    x = 14,802.25

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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.