Home / 23,190.64-32,003.28-12,580.47

Finding the Fourth Proportional to 23,190.64, 32,003.28 and 12,580.47

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Solution

The fourth proportional to 23,190.64, 32,003.28 and 12,580.47 is: 17,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.64 : 32,003.28 = 12,580.47 : x
  2. Step 2: Convert to fraction form
    23,190.64/32,003.28 = 12,580.47/x
  3. Step 3: Cross multiply
    23,190.64x = 32,003.28 × 12,580.47
  4. Step 4: Simplify right side
    23,190.64x = 402,616,303.94
  5. Step 5: Solve for x
    x = 402,616,303.94/23,190.64
  6. Step 6: Final answer
    x = 17,361.16

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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.