Home / 15,857.58-23,784.98-9,615.75

Finding the Fourth Proportional to 15,857.58, 23,784.98 and 9,615.75

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Solution

The fourth proportional to 15,857.58, 23,784.98 and 9,615.75 is: 14,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.58 : 23,784.98 = 9,615.75 : x
  2. Step 2: Convert to fraction form
    15,857.58/23,784.98 = 9,615.75/x
  3. Step 3: Cross multiply
    15,857.58x = 23,784.98 × 9,615.75
  4. Step 4: Simplify right side
    15,857.58x = 228,710,373.36
  5. Step 5: Solve for x
    x = 228,710,373.36/15,857.58
  6. Step 6: Final answer
    x = 14,422.78

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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.