Home / 13,981.58-19,295.04-8,014.38

Finding the Fourth Proportional to 13,981.58, 19,295.04 and 8,014.38

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Solution

The fourth proportional to 13,981.58, 19,295.04 and 8,014.38 is: 11,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.58 : 19,295.04 = 8,014.38 : x
  2. Step 2: Convert to fraction form
    13,981.58/19,295.04 = 8,014.38/x
  3. Step 3: Cross multiply
    13,981.58x = 19,295.04 × 8,014.38
  4. Step 4: Simplify right side
    13,981.58x = 154,637,782.68
  5. Step 5: Solve for x
    x = 154,637,782.68/13,981.58
  6. Step 6: Final answer
    x = 11,060.11

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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.