Home / 26,313.16-36,312.88-15,708.96

Finding the Fourth Proportional to 26,313.16, 36,312.88 and 15,708.96

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Solution

The fourth proportional to 26,313.16, 36,312.88 and 15,708.96 is: 21,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.16 : 36,312.88 = 15,708.96 : x
  2. Step 2: Convert to fraction form
    26,313.16/36,312.88 = 15,708.96/x
  3. Step 3: Cross multiply
    26,313.16x = 36,312.88 × 15,708.96
  4. Step 4: Simplify right side
    26,313.16x = 570,437,579.40
  5. Step 5: Solve for x
    x = 570,437,579.40/26,313.16
  6. Step 6: Final answer
    x = 21,678.79

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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.