Home / 19,330.10-26,674.26-10,830.86

Finding the Fourth Proportional to 19,330.10, 26,674.26 and 10,830.86

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Solution

The fourth proportional to 19,330.10, 26,674.26 and 10,830.86 is: 14,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.10 : 26,674.26 = 10,830.86 : x
  2. Step 2: Convert to fraction form
    19,330.10/26,674.26 = 10,830.86/x
  3. Step 3: Cross multiply
    19,330.10x = 26,674.26 × 10,830.86
  4. Step 4: Simplify right side
    19,330.10x = 288,905,175.66
  5. Step 5: Solve for x
    x = 288,905,175.66/19,330.10
  6. Step 6: Final answer
    x = 14,945.87

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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.