Home / 22,928.05-31,647.27-13,502.08

Finding the Fourth Proportional to 22,928.05, 31,647.27 and 13,502.08

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Solution

The fourth proportional to 22,928.05, 31,647.27 and 13,502.08 is: 18,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.05 : 31,647.27 = 13,502.08 : x
  2. Step 2: Convert to fraction form
    22,928.05/31,647.27 = 13,502.08/x
  3. Step 3: Cross multiply
    22,928.05x = 31,647.27 × 13,502.08
  4. Step 4: Simplify right side
    22,928.05x = 427,303,971.32
  5. Step 5: Solve for x
    x = 427,303,971.32/22,928.05
  6. Step 6: Final answer
    x = 18,636.73

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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.