Home / 19,332.31-26,688.50-11,884.63

Finding the Fourth Proportional to 19,332.31, 26,688.50 and 11,884.63

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Solution

The fourth proportional to 19,332.31, 26,688.50 and 11,884.63 is: 16,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.31 : 26,688.50 = 11,884.63 : x
  2. Step 2: Convert to fraction form
    19,332.31/26,688.50 = 11,884.63/x
  3. Step 3: Cross multiply
    19,332.31x = 26,688.50 × 11,884.63
  4. Step 4: Simplify right side
    19,332.31x = 317,182,947.76
  5. Step 5: Solve for x
    x = 317,182,947.76/19,332.31
  6. Step 6: Final answer
    x = 16,406.88

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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.