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Finding the Fourth Proportional to 14,368.59, 19,819.35 and 9,261.81

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Solution

The fourth proportional to 14,368.59, 19,819.35 and 9,261.81 is: 12,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.59 : 19,819.35 = 9,261.81 : x
  2. Step 2: Convert to fraction form
    14,368.59/19,819.35 = 9,261.81/x
  3. Step 3: Cross multiply
    14,368.59x = 19,819.35 × 9,261.81
  4. Step 4: Simplify right side
    14,368.59x = 183,563,054.02
  5. Step 5: Solve for x
    x = 183,563,054.02/14,368.59
  6. Step 6: Final answer
    x = 12,775.30

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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.