Home / 19,385.66-26,750.18-13,010.96

Finding the Fourth Proportional to 19,385.66, 26,750.18 and 13,010.96

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Solution

The fourth proportional to 19,385.66, 26,750.18 and 13,010.96 is: 17,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.66 : 26,750.18 = 13,010.96 : x
  2. Step 2: Convert to fraction form
    19,385.66/26,750.18 = 13,010.96/x
  3. Step 3: Cross multiply
    19,385.66x = 26,750.18 × 13,010.96
  4. Step 4: Simplify right side
    19,385.66x = 348,045,621.38
  5. Step 5: Solve for x
    x = 348,045,621.38/19,385.66
  6. Step 6: Final answer
    x = 17,953.76

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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.