Home / 17,647.93-24,354.80-9,690.90

Finding the Fourth Proportional to 17,647.93, 24,354.80 and 9,690.90

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Solution

The fourth proportional to 17,647.93, 24,354.80 and 9,690.90 is: 13,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.93 : 24,354.80 = 9,690.90 : x
  2. Step 2: Convert to fraction form
    17,647.93/24,354.80 = 9,690.90/x
  3. Step 3: Cross multiply
    17,647.93x = 24,354.80 × 9,690.90
  4. Step 4: Simplify right side
    17,647.93x = 236,019,931.32
  5. Step 5: Solve for x
    x = 236,019,931.32/17,647.93
  6. Step 6: Final answer
    x = 13,373.80

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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.