Home / 16,047.18-22,145.40-8,973.45

Finding the Fourth Proportional to 16,047.18, 22,145.40 and 8,973.45

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Solution

The fourth proportional to 16,047.18, 22,145.40 and 8,973.45 is: 12,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,047.18 : 22,145.40 = 8,973.45 : x
  2. Step 2: Convert to fraction form
    16,047.18/22,145.40 = 8,973.45/x
  3. Step 3: Cross multiply
    16,047.18x = 22,145.40 × 8,973.45
  4. Step 4: Simplify right side
    16,047.18x = 198,720,639.63
  5. Step 5: Solve for x
    x = 198,720,639.63/16,047.18
  6. Step 6: Final answer
    x = 12,383.52

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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.