Home / 26,642.08-36,773.32-15,312.74

Finding the Fourth Proportional to 26,642.08, 36,773.32 and 15,312.74

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Solution

The fourth proportional to 26,642.08, 36,773.32 and 15,312.74 is: 21,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.08 : 36,773.32 = 15,312.74 : x
  2. Step 2: Convert to fraction form
    26,642.08/36,773.32 = 15,312.74/x
  3. Step 3: Cross multiply
    26,642.08x = 36,773.32 × 15,312.74
  4. Step 4: Simplify right side
    26,642.08x = 563,100,155.02
  5. Step 5: Solve for x
    x = 563,100,155.02/26,642.08
  6. Step 6: Final answer
    x = 21,135.74

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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.