Home / 30,680.13-46,013.31-11,953.74

Finding the Fourth Proportional to 30,680.13, 46,013.31 and 11,953.74

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Solution

The fourth proportional to 30,680.13, 46,013.31 and 11,953.74 is: 17,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.13 : 46,013.31 = 11,953.74 : x
  2. Step 2: Convert to fraction form
    30,680.13/46,013.31 = 11,953.74/x
  3. Step 3: Cross multiply
    30,680.13x = 46,013.31 × 11,953.74
  4. Step 4: Simplify right side
    30,680.13x = 550,031,144.28
  5. Step 5: Solve for x
    x = 550,031,144.28/30,680.13
  6. Step 6: Final answer
    x = 17,927.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.