Home / 13,981.65-19,294.88-7,608.44

Finding the Fourth Proportional to 13,981.65, 19,294.88 and 7,608.44

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Solution

The fourth proportional to 13,981.65, 19,294.88 and 7,608.44 is: 10,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.65 : 19,294.88 = 7,608.44 : x
  2. Step 2: Convert to fraction form
    13,981.65/19,294.88 = 7,608.44/x
  3. Step 3: Cross multiply
    13,981.65x = 19,294.88 × 7,608.44
  4. Step 4: Simplify right side
    13,981.65x = 146,803,802.27
  5. Step 5: Solve for x
    x = 146,803,802.27/13,981.65
  6. Step 6: Final answer
    x = 10,499.75

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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.