Home / 28,036.96-42,030.88-13,250.16

Finding the Fourth Proportional to 28,036.96, 42,030.88 and 13,250.16

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Solution

The fourth proportional to 28,036.96, 42,030.88 and 13,250.16 is: 19,863.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.96 : 42,030.88 = 13,250.16 : x
  2. Step 2: Convert to fraction form
    28,036.96/42,030.88 = 13,250.16/x
  3. Step 3: Cross multiply
    28,036.96x = 42,030.88 × 13,250.16
  4. Step 4: Simplify right side
    28,036.96x = 556,915,884.94
  5. Step 5: Solve for x
    x = 556,915,884.94/28,036.96
  6. Step 6: Final answer
    x = 19,863.63

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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.