Home / 16,968.76-25,430.08-10,801.72

Finding the Fourth Proportional to 16,968.76, 25,430.08 and 10,801.72

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Solution

The fourth proportional to 16,968.76, 25,430.08 and 10,801.72 is: 16,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.76 : 25,430.08 = 10,801.72 : x
  2. Step 2: Convert to fraction form
    16,968.76/25,430.08 = 10,801.72/x
  3. Step 3: Cross multiply
    16,968.76x = 25,430.08 × 10,801.72
  4. Step 4: Simplify right side
    16,968.76x = 274,688,603.74
  5. Step 5: Solve for x
    x = 274,688,603.74/16,968.76
  6. Step 6: Final answer
    x = 16,187.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.