Home / 14,837.61-20,475.95-8,123.32

Finding the Fourth Proportional to 14,837.61, 20,475.95 and 8,123.32

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Solution

The fourth proportional to 14,837.61, 20,475.95 and 8,123.32 is: 11,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.61 : 20,475.95 = 8,123.32 : x
  2. Step 2: Convert to fraction form
    14,837.61/20,475.95 = 8,123.32/x
  3. Step 3: Cross multiply
    14,837.61x = 20,475.95 × 8,123.32
  4. Step 4: Simplify right side
    14,837.61x = 166,332,694.15
  5. Step 5: Solve for x
    x = 166,332,694.15/14,837.61
  6. Step 6: Final answer
    x = 11,210.21

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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.