Home / 23,135.12-31,909.95-15,967.74

Finding the Fourth Proportional to 23,135.12, 31,909.95 and 15,967.74

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Solution

The fourth proportional to 23,135.12, 31,909.95 and 15,967.74 is: 22,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.12 : 31,909.95 = 15,967.74 : x
  2. Step 2: Convert to fraction form
    23,135.12/31,909.95 = 15,967.74/x
  3. Step 3: Cross multiply
    23,135.12x = 31,909.95 × 15,967.74
  4. Step 4: Simplify right side
    23,135.12x = 509,529,904.68
  5. Step 5: Solve for x
    x = 509,529,904.68/23,135.12
  6. Step 6: Final answer
    x = 22,024.09

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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.