Home / 13,981.01-19,296.63-8,012.12

Finding the Fourth Proportional to 13,981.01, 19,296.63 and 8,012.12

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Solution

The fourth proportional to 13,981.01, 19,296.63 and 8,012.12 is: 11,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.01 : 19,296.63 = 8,012.12 : x
  2. Step 2: Convert to fraction form
    13,981.01/19,296.63 = 8,012.12/x
  3. Step 3: Cross multiply
    13,981.01x = 19,296.63 × 8,012.12
  4. Step 4: Simplify right side
    13,981.01x = 154,606,818.67
  5. Step 5: Solve for x
    x = 154,606,818.67/13,981.01
  6. Step 6: Final answer
    x = 11,058.35

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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.