Home / 19,312.22-26,650.78-10,814.31

Finding the Fourth Proportional to 19,312.22, 26,650.78 and 10,814.31

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Solution

The fourth proportional to 19,312.22, 26,650.78 and 10,814.31 is: 14,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.22 : 26,650.78 = 10,814.31 : x
  2. Step 2: Convert to fraction form
    19,312.22/26,650.78 = 10,814.31/x
  3. Step 3: Cross multiply
    19,312.22x = 26,650.78 × 10,814.31
  4. Step 4: Simplify right side
    19,312.22x = 288,209,769.63
  5. Step 5: Solve for x
    x = 288,209,769.63/19,312.22
  6. Step 6: Final answer
    x = 14,923.70

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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.