Home / 26,471.83-36,528.43-15,861.19

Finding the Fourth Proportional to 26,471.83, 36,528.43 and 15,861.19

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Solution

The fourth proportional to 26,471.83, 36,528.43 and 15,861.19 is: 21,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.83 : 36,528.43 = 15,861.19 : x
  2. Step 2: Convert to fraction form
    26,471.83/36,528.43 = 15,861.19/x
  3. Step 3: Cross multiply
    26,471.83x = 36,528.43 × 15,861.19
  4. Step 4: Simplify right side
    26,471.83x = 579,384,368.63
  5. Step 5: Solve for x
    x = 579,384,368.63/26,471.83
  6. Step 6: Final answer
    x = 21,886.83

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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.