Home / 14,888.15-20,544.48-8,173.76

Finding the Fourth Proportional to 14,888.15, 20,544.48 and 8,173.76

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Solution

The fourth proportional to 14,888.15, 20,544.48 and 8,173.76 is: 11,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.15 : 20,544.48 = 8,173.76 : x
  2. Step 2: Convert to fraction form
    14,888.15/20,544.48 = 8,173.76/x
  3. Step 3: Cross multiply
    14,888.15x = 20,544.48 × 8,173.76
  4. Step 4: Simplify right side
    14,888.15x = 167,925,648.84
  5. Step 5: Solve for x
    x = 167,925,648.84/14,888.15
  6. Step 6: Final answer
    x = 11,279.15

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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.