Home / 22,670.32-31,284.43-12,598.51

Finding the Fourth Proportional to 22,670.32, 31,284.43 and 12,598.51

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Solution

The fourth proportional to 22,670.32, 31,284.43 and 12,598.51 is: 17,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.32 : 31,284.43 = 12,598.51 : x
  2. Step 2: Convert to fraction form
    22,670.32/31,284.43 = 12,598.51/x
  3. Step 3: Cross multiply
    22,670.32x = 31,284.43 × 12,598.51
  4. Step 4: Simplify right side
    22,670.32x = 394,137,204.20
  5. Step 5: Solve for x
    x = 394,137,204.20/22,670.32
  6. Step 6: Final answer
    x = 17,385.60

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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.