Home / 15,407.54-23,106.96-4,878.38

Finding the Fourth Proportional to 15,407.54, 23,106.96 and 4,878.38

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Solution

The fourth proportional to 15,407.54, 23,106.96 and 4,878.38 is: 7,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.54 : 23,106.96 = 4,878.38 : x
  2. Step 2: Convert to fraction form
    15,407.54/23,106.96 = 4,878.38/x
  3. Step 3: Cross multiply
    15,407.54x = 23,106.96 × 4,878.38
  4. Step 4: Simplify right side
    15,407.54x = 112,724,531.52
  5. Step 5: Solve for x
    x = 112,724,531.52/15,407.54
  6. Step 6: Final answer
    x = 7,316.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.