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Finding the Fourth Proportional to 18,821.04, 25,972.02 and 10,437

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Solution

The fourth proportional to 18,821.04, 25,972.02 and 10,437 is: 14,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.04 : 25,972.02 = 10,437 : x
  2. Step 2: Convert to fraction form
    18,821.04/25,972.02 = 10,437/x
  3. Step 3: Cross multiply
    18,821.04x = 25,972.02 × 10,437
  4. Step 4: Simplify right side
    18,821.04x = 271,069,972.74
  5. Step 5: Solve for x
    x = 271,069,972.74/18,821.04
  6. Step 6: Final answer
    x = 14,402.50

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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.