Home / 14,760.16-20,385.48-11,443.06

Finding the Fourth Proportional to 14,760.16, 20,385.48 and 11,443.06

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Solution

The fourth proportional to 14,760.16, 20,385.48 and 11,443.06 is: 15,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.16 : 20,385.48 = 11,443.06 : x
  2. Step 2: Convert to fraction form
    14,760.16/20,385.48 = 11,443.06/x
  3. Step 3: Cross multiply
    14,760.16x = 20,385.48 × 11,443.06
  4. Step 4: Simplify right side
    14,760.16x = 233,272,270.77
  5. Step 5: Solve for x
    x = 233,272,270.77/14,760.16
  6. Step 6: Final answer
    x = 15,804.18

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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.