Home / 15,987.64-23,981.46-5,602.36

Finding the Fourth Proportional to 15,987.64, 23,981.46 and 5,602.36

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Solution

The fourth proportional to 15,987.64, 23,981.46 and 5,602.36 is: 8,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.64 : 23,981.46 = 5,602.36 : x
  2. Step 2: Convert to fraction form
    15,987.64/23,981.46 = 5,602.36/x
  3. Step 3: Cross multiply
    15,987.64x = 23,981.46 × 5,602.36
  4. Step 4: Simplify right side
    15,987.64x = 134,352,772.25
  5. Step 5: Solve for x
    x = 134,352,772.25/15,987.64
  6. Step 6: Final answer
    x = 8,403.54

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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.