Home / 15,973.42-22,043.33-8,705.47

Finding the Fourth Proportional to 15,973.42, 22,043.33 and 8,705.47

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Solution

The fourth proportional to 15,973.42, 22,043.33 and 8,705.47 is: 12,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,973.42 : 22,043.33 = 8,705.47 : x
  2. Step 2: Convert to fraction form
    15,973.42/22,043.33 = 8,705.47/x
  3. Step 3: Cross multiply
    15,973.42x = 22,043.33 × 8,705.47
  4. Step 4: Simplify right side
    15,973.42x = 191,897,548.02
  5. Step 5: Solve for x
    x = 191,897,548.02/15,973.42
  6. Step 6: Final answer
    x = 12,013.55

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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.