Home / 15,985.64-22,014.24-15,937.04

Finding the Fourth Proportional to 15,985.64, 22,014.24 and 15,937.04

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Solution

The fourth proportional to 15,985.64, 22,014.24 and 15,937.04 is: 21,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.64 : 22,014.24 = 15,937.04 : x
  2. Step 2: Convert to fraction form
    15,985.64/22,014.24 = 15,937.04/x
  3. Step 3: Cross multiply
    15,985.64x = 22,014.24 × 15,937.04
  4. Step 4: Simplify right side
    15,985.64x = 350,841,823.45
  5. Step 5: Solve for x
    x = 350,841,823.45/15,985.64
  6. Step 6: Final answer
    x = 21,947.31

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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.