Home / 23,783.32-32,820.66-13,172.92

Finding the Fourth Proportional to 23,783.32, 32,820.66 and 13,172.92

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Solution

The fourth proportional to 23,783.32, 32,820.66 and 13,172.92 is: 18,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,783.32 : 32,820.66 = 13,172.92 : x
  2. Step 2: Convert to fraction form
    23,783.32/32,820.66 = 13,172.92/x
  3. Step 3: Cross multiply
    23,783.32x = 32,820.66 × 13,172.92
  4. Step 4: Simplify right side
    23,783.32x = 432,343,928.53
  5. Step 5: Solve for x
    x = 432,343,928.53/23,783.32
  6. Step 6: Final answer
    x = 18,178.45

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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.