Home / 26,213.56-36,173.88-15,313.72

Finding the Fourth Proportional to 26,213.56, 36,173.88 and 15,313.72

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Solution

The fourth proportional to 26,213.56, 36,173.88 and 15,313.72 is: 21,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.56 : 36,173.88 = 15,313.72 : x
  2. Step 2: Convert to fraction form
    26,213.56/36,173.88 = 15,313.72/x
  3. Step 3: Cross multiply
    26,213.56x = 36,173.88 × 15,313.72
  4. Step 4: Simplify right side
    26,213.56x = 553,956,669.63
  5. Step 5: Solve for x
    x = 553,956,669.63/26,213.56
  6. Step 6: Final answer
    x = 21,132.45

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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.