Home / 19,211.04-26,506.72-11,657.19

Finding the Fourth Proportional to 19,211.04, 26,506.72 and 11,657.19

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Solution

The fourth proportional to 19,211.04, 26,506.72 and 11,657.19 is: 16,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.04 : 26,506.72 = 11,657.19 : x
  2. Step 2: Convert to fraction form
    19,211.04/26,506.72 = 11,657.19/x
  3. Step 3: Cross multiply
    19,211.04x = 26,506.72 × 11,657.19
  4. Step 4: Simplify right side
    19,211.04x = 308,993,871.32
  5. Step 5: Solve for x
    x = 308,993,871.32/19,211.04
  6. Step 6: Final answer
    x = 16,084.18

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Half scale
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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.