Home / 19,650.59-27,117.01-11,152.54

Finding the Fourth Proportional to 19,650.59, 27,117.01 and 11,152.54

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Solution

The fourth proportional to 19,650.59, 27,117.01 and 11,152.54 is: 15,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.59 : 27,117.01 = 11,152.54 : x
  2. Step 2: Convert to fraction form
    19,650.59/27,117.01 = 11,152.54/x
  3. Step 3: Cross multiply
    19,650.59x = 27,117.01 × 11,152.54
  4. Step 4: Simplify right side
    19,650.59x = 302,423,538.71
  5. Step 5: Solve for x
    x = 302,423,538.71/19,650.59
  6. Step 6: Final answer
    x = 15,390.05

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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.