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Finding the Fourth Proportional to 14,461.10, 19,955.52 and 8,173.08

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Solution

The fourth proportional to 14,461.10, 19,955.52 and 8,173.08 is: 11,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.10 : 19,955.52 = 8,173.08 : x
  2. Step 2: Convert to fraction form
    14,461.10/19,955.52 = 8,173.08/x
  3. Step 3: Cross multiply
    14,461.10x = 19,955.52 × 8,173.08
  4. Step 4: Simplify right side
    14,461.10x = 163,098,061.40
  5. Step 5: Solve for x
    x = 163,098,061.40/14,461.10
  6. Step 6: Final answer
    x = 11,278.40

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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.