Home / 17,720.70-24,447.60-15,482.67

Finding the Fourth Proportional to 17,720.70, 24,447.60 and 15,482.67

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Solution

The fourth proportional to 17,720.70, 24,447.60 and 15,482.67 is: 21,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.70 : 24,447.60 = 15,482.67 : x
  2. Step 2: Convert to fraction form
    17,720.70/24,447.60 = 15,482.67/x
  3. Step 3: Cross multiply
    17,720.70x = 24,447.60 × 15,482.67
  4. Step 4: Simplify right side
    17,720.70x = 378,514,123.09
  5. Step 5: Solve for x
    x = 378,514,123.09/17,720.70
  6. Step 6: Final answer
    x = 21,360.00

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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.