Home / 19,155.21-26,435.37-10,659.22

Finding the Fourth Proportional to 19,155.21, 26,435.37 and 10,659.22

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Solution

The fourth proportional to 19,155.21, 26,435.37 and 10,659.22 is: 14,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.21 : 26,435.37 = 10,659.22 : x
  2. Step 2: Convert to fraction form
    19,155.21/26,435.37 = 10,659.22/x
  3. Step 3: Cross multiply
    19,155.21x = 26,435.37 × 10,659.22
  4. Step 4: Simplify right side
    19,155.21x = 281,780,424.61
  5. Step 5: Solve for x
    x = 281,780,424.61/19,155.21
  6. Step 6: Final answer
    x = 14,710.38

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Half scale
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Double scale
Find fourth proportional to 19,156.21, 26,436.75 and 10,660.22
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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.