Home / 26,931.72-37,165.68-14,995.20

Finding the Fourth Proportional to 26,931.72, 37,165.68 and 14,995.20

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Solution

The fourth proportional to 26,931.72, 37,165.68 and 14,995.20 is: 20,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.72 : 37,165.68 = 14,995.20 : x
  2. Step 2: Convert to fraction form
    26,931.72/37,165.68 = 14,995.20/x
  3. Step 3: Cross multiply
    26,931.72x = 37,165.68 × 14,995.20
  4. Step 4: Simplify right side
    26,931.72x = 557,306,804.74
  5. Step 5: Solve for x
    x = 557,306,804.74/26,931.72
  6. Step 6: Final answer
    x = 20,693.32

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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.