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Finding the Fourth Proportional to 14,012.34, 19,322.19 and 12,601.62

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Solution

The fourth proportional to 14,012.34, 19,322.19 and 12,601.62 is: 17,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.34 : 19,322.19 = 12,601.62 : x
  2. Step 2: Convert to fraction form
    14,012.34/19,322.19 = 12,601.62/x
  3. Step 3: Cross multiply
    14,012.34x = 19,322.19 × 12,601.62
  4. Step 4: Simplify right side
    14,012.34x = 243,490,895.95
  5. Step 5: Solve for x
    x = 243,490,895.95/14,012.34
  6. Step 6: Final answer
    x = 17,376.89

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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.