Home / 26,491.72-36,548.20-15,155.16

Finding the Fourth Proportional to 26,491.72, 36,548.20 and 15,155.16

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Solution

The fourth proportional to 26,491.72, 36,548.20 and 15,155.16 is: 20,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.72 : 36,548.20 = 15,155.16 : x
  2. Step 2: Convert to fraction form
    26,491.72/36,548.20 = 15,155.16/x
  3. Step 3: Cross multiply
    26,491.72x = 36,548.20 × 15,155.16
  4. Step 4: Simplify right side
    26,491.72x = 553,893,818.71
  5. Step 5: Solve for x
    x = 553,893,818.71/26,491.72
  6. Step 6: Final answer
    x = 20,908.19

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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.