Home / 26,313.16-36,312.87-15,708.95

Finding the Fourth Proportional to 26,313.16, 36,312.87 and 15,708.95

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Solution

The fourth proportional to 26,313.16, 36,312.87 and 15,708.95 is: 21,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.16 : 36,312.87 = 15,708.95 : x
  2. Step 2: Convert to fraction form
    26,313.16/36,312.87 = 15,708.95/x
  3. Step 3: Cross multiply
    26,313.16x = 36,312.87 × 15,708.95
  4. Step 4: Simplify right side
    26,313.16x = 570,437,059.19
  5. Step 5: Solve for x
    x = 570,437,059.19/26,313.16
  6. Step 6: Final answer
    x = 21,678.77

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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.