Home / 14,830.16-20,463.64-8,541.32

Finding the Fourth Proportional to 14,830.16, 20,463.64 and 8,541.32

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Solution

The fourth proportional to 14,830.16, 20,463.64 and 8,541.32 is: 11,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.16 : 20,463.64 = 8,541.32 : x
  2. Step 2: Convert to fraction form
    14,830.16/20,463.64 = 8,541.32/x
  3. Step 3: Cross multiply
    14,830.16x = 20,463.64 × 8,541.32
  4. Step 4: Simplify right side
    14,830.16x = 174,786,373.93
  5. Step 5: Solve for x
    x = 174,786,373.93/14,830.16
  6. Step 6: Final answer
    x = 11,785.88

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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.