Home / 23,480.44-32,403.81-12,870.07

Finding the Fourth Proportional to 23,480.44, 32,403.81 and 12,870.07

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Solution

The fourth proportional to 23,480.44, 32,403.81 and 12,870.07 is: 17,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,480.44 : 32,403.81 = 12,870.07 : x
  2. Step 2: Convert to fraction form
    23,480.44/32,403.81 = 12,870.07/x
  3. Step 3: Cross multiply
    23,480.44x = 32,403.81 × 12,870.07
  4. Step 4: Simplify right side
    23,480.44x = 417,039,302.97
  5. Step 5: Solve for x
    x = 417,039,302.97/23,480.44
  6. Step 6: Final answer
    x = 17,761.14

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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.