Home / 15,886.08-23,804.16-11,987.52

Finding the Fourth Proportional to 15,886.08, 23,804.16 and 11,987.52

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Solution

The fourth proportional to 15,886.08, 23,804.16 and 11,987.52 is: 17,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.08 : 23,804.16 = 11,987.52 : x
  2. Step 2: Convert to fraction form
    15,886.08/23,804.16 = 11,987.52/x
  3. Step 3: Cross multiply
    15,886.08x = 23,804.16 × 11,987.52
  4. Step 4: Simplify right side
    15,886.08x = 285,352,844.08
  5. Step 5: Solve for x
    x = 285,352,844.08/15,886.08
  6. Step 6: Final answer
    x = 17,962.45

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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.