Home / 14,806.32-20,430.74-9,508.31

Finding the Fourth Proportional to 14,806.32, 20,430.74 and 9,508.31

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Solution

The fourth proportional to 14,806.32, 20,430.74 and 9,508.31 is: 13,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.32 : 20,430.74 = 9,508.31 : x
  2. Step 2: Convert to fraction form
    14,806.32/20,430.74 = 9,508.31/x
  3. Step 3: Cross multiply
    14,806.32x = 20,430.74 × 9,508.31
  4. Step 4: Simplify right side
    14,806.32x = 194,261,807.68
  5. Step 5: Solve for x
    x = 194,261,807.68/14,806.32
  6. Step 6: Final answer
    x = 13,120.20

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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.