Home / 22,820.35-31,485.85-15,652.04

Finding the Fourth Proportional to 22,820.35, 31,485.85 and 15,652.04

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Solution

The fourth proportional to 22,820.35, 31,485.85 and 15,652.04 is: 21,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.35 : 31,485.85 = 15,652.04 : x
  2. Step 2: Convert to fraction form
    22,820.35/31,485.85 = 15,652.04/x
  3. Step 3: Cross multiply
    22,820.35x = 31,485.85 × 15,652.04
  4. Step 4: Simplify right side
    22,820.35x = 492,817,783.63
  5. Step 5: Solve for x
    x = 492,817,783.63/22,820.35
  6. Step 6: Final answer
    x = 21,595.54

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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.