Home / 28,106.41-38,804.93-18,039.19

Finding the Fourth Proportional to 28,106.41, 38,804.93 and 18,039.19

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Solution

The fourth proportional to 28,106.41, 38,804.93 and 18,039.19 is: 24,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.41 : 38,804.93 = 18,039.19 : x
  2. Step 2: Convert to fraction form
    28,106.41/38,804.93 = 18,039.19/x
  3. Step 3: Cross multiply
    28,106.41x = 38,804.93 × 18,039.19
  4. Step 4: Simplify right side
    28,106.41x = 700,009,505.21
  5. Step 5: Solve for x
    x = 700,009,505.21/28,106.41
  6. Step 6: Final answer
    x = 24,905.69

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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.