Home / 16,658.48-22,988.65-9,104.81

Finding the Fourth Proportional to 16,658.48, 22,988.65 and 9,104.81

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Solution

The fourth proportional to 16,658.48, 22,988.65 and 9,104.81 is: 12,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.48 : 22,988.65 = 9,104.81 : x
  2. Step 2: Convert to fraction form
    16,658.48/22,988.65 = 9,104.81/x
  3. Step 3: Cross multiply
    16,658.48x = 22,988.65 × 9,104.81
  4. Step 4: Simplify right side
    16,658.48x = 209,307,129.94
  5. Step 5: Solve for x
    x = 209,307,129.94/16,658.48
  6. Step 6: Final answer
    x = 12,564.60

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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.