Home / 20,759.16-31,113.54-14,903.64

Finding the Fourth Proportional to 20,759.16, 31,113.54 and 14,903.64

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Solution

The fourth proportional to 20,759.16, 31,113.54 and 14,903.64 is: 22,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759.16 : 31,113.54 = 14,903.64 : x
  2. Step 2: Convert to fraction form
    20,759.16/31,113.54 = 14,903.64/x
  3. Step 3: Cross multiply
    20,759.16x = 31,113.54 × 14,903.64
  4. Step 4: Simplify right side
    20,759.16x = 463,704,999.29
  5. Step 5: Solve for x
    x = 463,704,999.29/20,759.16
  6. Step 6: Final answer
    x = 22,337.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.