Home / 17,280.83-23,848.32-9,729.75

Finding the Fourth Proportional to 17,280.83, 23,848.32 and 9,729.75

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Solution

The fourth proportional to 17,280.83, 23,848.32 and 9,729.75 is: 13,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.83 : 23,848.32 = 9,729.75 : x
  2. Step 2: Convert to fraction form
    17,280.83/23,848.32 = 9,729.75/x
  3. Step 3: Cross multiply
    17,280.83x = 23,848.32 × 9,729.75
  4. Step 4: Simplify right side
    17,280.83x = 232,038,191.52
  5. Step 5: Solve for x
    x = 232,038,191.52/17,280.83
  6. Step 6: Final answer
    x = 13,427.50

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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.