Home / 16,455.09-22,707.93-8,901.41

Finding the Fourth Proportional to 16,455.09, 22,707.93 and 8,901.41

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Solution

The fourth proportional to 16,455.09, 22,707.93 and 8,901.41 is: 12,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.09 : 22,707.93 = 8,901.41 : x
  2. Step 2: Convert to fraction form
    16,455.09/22,707.93 = 8,901.41/x
  3. Step 3: Cross multiply
    16,455.09x = 22,707.93 × 8,901.41
  4. Step 4: Simplify right side
    16,455.09x = 202,132,595.18
  5. Step 5: Solve for x
    x = 202,132,595.18/16,455.09
  6. Step 6: Final answer
    x = 12,283.89

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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.