Home / 13,852.36-19,116.26-7,564.76

Finding the Fourth Proportional to 13,852.36, 19,116.26 and 7,564.76

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Solution

The fourth proportional to 13,852.36, 19,116.26 and 7,564.76 is: 10,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.36 : 19,116.26 = 7,564.76 : x
  2. Step 2: Convert to fraction form
    13,852.36/19,116.26 = 7,564.76/x
  3. Step 3: Cross multiply
    13,852.36x = 19,116.26 × 7,564.76
  4. Step 4: Simplify right side
    13,852.36x = 144,609,919.00
  5. Step 5: Solve for x
    x = 144,609,919.00/13,852.36
  6. Step 6: Final answer
    x = 10,439.37

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Half scale
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Double scale
Find fourth proportional to 13,853.36, 19,117.64 and 7,565.76
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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.