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Finding the Fourth Proportional to 14,254.95, 19,674.96 and 8,290.06

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Solution

The fourth proportional to 14,254.95, 19,674.96 and 8,290.06 is: 11,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.95 : 19,674.96 = 8,290.06 : x
  2. Step 2: Convert to fraction form
    14,254.95/19,674.96 = 8,290.06/x
  3. Step 3: Cross multiply
    14,254.95x = 19,674.96 × 8,290.06
  4. Step 4: Simplify right side
    14,254.95x = 163,106,592.40
  5. Step 5: Solve for x
    x = 163,106,592.40/14,254.95
  6. Step 6: Final answer
    x = 11,442.10

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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.