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Finding the Fourth Proportional to 13,597.19, 18,770.01 and 12,746.06

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Solution

The fourth proportional to 13,597.19, 18,770.01 and 12,746.06 is: 17,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.19 : 18,770.01 = 12,746.06 : x
  2. Step 2: Convert to fraction form
    13,597.19/18,770.01 = 12,746.06/x
  3. Step 3: Cross multiply
    13,597.19x = 18,770.01 × 12,746.06
  4. Step 4: Simplify right side
    13,597.19x = 239,243,673.66
  5. Step 5: Solve for x
    x = 239,243,673.66/13,597.19
  6. Step 6: Final answer
    x = 17,595.08

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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.