Home / 23,685.32-32,686.80-13,617.02

Finding the Fourth Proportional to 23,685.32, 32,686.80 and 13,617.02

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Solution

The fourth proportional to 23,685.32, 32,686.80 and 13,617.02 is: 18,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.32 : 32,686.80 = 13,617.02 : x
  2. Step 2: Convert to fraction form
    23,685.32/32,686.80 = 13,617.02/x
  3. Step 3: Cross multiply
    23,685.32x = 32,686.80 × 13,617.02
  4. Step 4: Simplify right side
    23,685.32x = 445,096,809.34
  5. Step 5: Solve for x
    x = 445,096,809.34/23,685.32
  6. Step 6: Final answer
    x = 18,792.10

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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.