Home / 15,585.21-23,340.49-11,357.13

Finding the Fourth Proportional to 15,585.21, 23,340.49 and 11,357.13

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Solution

The fourth proportional to 15,585.21, 23,340.49 and 11,357.13 is: 17,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.21 : 23,340.49 = 11,357.13 : x
  2. Step 2: Convert to fraction form
    15,585.21/23,340.49 = 11,357.13/x
  3. Step 3: Cross multiply
    15,585.21x = 23,340.49 × 11,357.13
  4. Step 4: Simplify right side
    15,585.21x = 265,080,907.04
  5. Step 5: Solve for x
    x = 265,080,907.04/15,585.21
  6. Step 6: Final answer
    x = 17,008.49

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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.