Home / 16,590.56-22,917.36-13,256.76

Finding the Fourth Proportional to 16,590.56, 22,917.36 and 13,256.76

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Solution

The fourth proportional to 16,590.56, 22,917.36 and 13,256.76 is: 18,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.56 : 22,917.36 = 13,256.76 : x
  2. Step 2: Convert to fraction form
    16,590.56/22,917.36 = 13,256.76/x
  3. Step 3: Cross multiply
    16,590.56x = 22,917.36 × 13,256.76
  4. Step 4: Simplify right side
    16,590.56x = 303,810,077.01
  5. Step 5: Solve for x
    x = 303,810,077.01/16,590.56
  6. Step 6: Final answer
    x = 18,312.23

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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.