Home / 15,300.09-22,930.70-8,366.49

Finding the Fourth Proportional to 15,300.09, 22,930.70 and 8,366.49

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Solution

The fourth proportional to 15,300.09, 22,930.70 and 8,366.49 is: 12,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.09 : 22,930.70 = 8,366.49 : x
  2. Step 2: Convert to fraction form
    15,300.09/22,930.70 = 8,366.49/x
  3. Step 3: Cross multiply
    15,300.09x = 22,930.70 × 8,366.49
  4. Step 4: Simplify right side
    15,300.09x = 191,849,430.41
  5. Step 5: Solve for x
    x = 191,849,430.41/15,300.09
  6. Step 6: Final answer
    x = 12,539.10

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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.