Home / 18,657.10-25,746.76-10,159.09

Finding the Fourth Proportional to 18,657.10, 25,746.76 and 10,159.09

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Solution

The fourth proportional to 18,657.10, 25,746.76 and 10,159.09 is: 14,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.10 : 25,746.76 = 10,159.09 : x
  2. Step 2: Convert to fraction form
    18,657.10/25,746.76 = 10,159.09/x
  3. Step 3: Cross multiply
    18,657.10x = 25,746.76 × 10,159.09
  4. Step 4: Simplify right side
    18,657.10x = 261,563,626.65
  5. Step 5: Solve for x
    x = 261,563,626.65/18,657.10
  6. Step 6: Final answer
    x = 14,019.52

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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.