Home / 28,054.46-42,058.40-11,422.32

Finding the Fourth Proportional to 28,054.46, 42,058.40 and 11,422.32

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Solution

The fourth proportional to 28,054.46, 42,058.40 and 11,422.32 is: 17,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.46 : 42,058.40 = 11,422.32 : x
  2. Step 2: Convert to fraction form
    28,054.46/42,058.40 = 11,422.32/x
  3. Step 3: Cross multiply
    28,054.46x = 42,058.40 × 11,422.32
  4. Step 4: Simplify right side
    28,054.46x = 480,404,446.38
  5. Step 5: Solve for x
    x = 480,404,446.38/28,054.46
  6. Step 6: Final answer
    x = 17,124.00

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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.