Home / 19,554.75-27,007.83-13,256.19

Finding the Fourth Proportional to 19,554.75, 27,007.83 and 13,256.19

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Solution

The fourth proportional to 19,554.75, 27,007.83 and 13,256.19 is: 18,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.75 : 27,007.83 = 13,256.19 : x
  2. Step 2: Convert to fraction form
    19,554.75/27,007.83 = 13,256.19/x
  3. Step 3: Cross multiply
    19,554.75x = 27,007.83 × 13,256.19
  4. Step 4: Simplify right side
    19,554.75x = 358,020,925.97
  5. Step 5: Solve for x
    x = 358,020,925.97/19,554.75
  6. Step 6: Final answer
    x = 18,308.64

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Half scale
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Double 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.