Home / 19,204.50-26,502.63-10,821

Finding the Fourth Proportional to 19,204.50, 26,502.63 and 10,821

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Solution

The fourth proportional to 19,204.50, 26,502.63 and 10,821 is: 14,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.50 : 26,502.63 = 10,821 : x
  2. Step 2: Convert to fraction form
    19,204.50/26,502.63 = 10,821/x
  3. Step 3: Cross multiply
    19,204.50x = 26,502.63 × 10,821
  4. Step 4: Simplify right side
    19,204.50x = 286,784,959.23
  5. Step 5: Solve for x
    x = 286,784,959.23/19,204.50
  6. Step 6: Final answer
    x = 14,933.22

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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.