Home / 14,541.08-20,064.30-9,162.68

Finding the Fourth Proportional to 14,541.08, 20,064.30 and 9,162.68

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Solution

The fourth proportional to 14,541.08, 20,064.30 and 9,162.68 is: 12,642.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.08 : 20,064.30 = 9,162.68 : x
  2. Step 2: Convert to fraction form
    14,541.08/20,064.30 = 9,162.68/x
  3. Step 3: Cross multiply
    14,541.08x = 20,064.30 × 9,162.68
  4. Step 4: Simplify right side
    14,541.08x = 183,842,760.32
  5. Step 5: Solve for x
    x = 183,842,760.32/14,541.08
  6. Step 6: Final answer
    x = 12,642.99

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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.