Home / 14,077.61-19,427.11-8,772.45

Finding the Fourth Proportional to 14,077.61, 19,427.11 and 8,772.45

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Solution

The fourth proportional to 14,077.61, 19,427.11 and 8,772.45 is: 12,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.61 : 19,427.11 = 8,772.45 : x
  2. Step 2: Convert to fraction form
    14,077.61/19,427.11 = 8,772.45/x
  3. Step 3: Cross multiply
    14,077.61x = 19,427.11 × 8,772.45
  4. Step 4: Simplify right side
    14,077.61x = 170,423,329.19
  5. Step 5: Solve for x
    x = 170,423,329.19/14,077.61
  6. Step 6: Final answer
    x = 12,105.98

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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.