Home / 13,693.13-20,440.63-12,032.37

Finding the Fourth Proportional to 13,693.13, 20,440.63 and 12,032.37

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Solution

The fourth proportional to 13,693.13, 20,440.63 and 12,032.37 is: 17,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.13 : 20,440.63 = 12,032.37 : x
  2. Step 2: Convert to fraction form
    13,693.13/20,440.63 = 12,032.37/x
  3. Step 3: Cross multiply
    13,693.13x = 20,440.63 × 12,032.37
  4. Step 4: Simplify right side
    13,693.13x = 245,949,223.19
  5. Step 5: Solve for x
    x = 245,949,223.19/13,693.13
  6. Step 6: Final answer
    x = 17,961.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.