Home / 14,617.16-21,920.77-4,753.99

Finding the Fourth Proportional to 14,617.16, 21,920.77 and 4,753.99

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Solution

The fourth proportional to 14,617.16, 21,920.77 and 4,753.99 is: 7,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.16 : 21,920.77 = 4,753.99 : x
  2. Step 2: Convert to fraction form
    14,617.16/21,920.77 = 4,753.99/x
  3. Step 3: Cross multiply
    14,617.16x = 21,920.77 × 4,753.99
  4. Step 4: Simplify right side
    14,617.16x = 104,210,988.00
  5. Step 5: Solve for x
    x = 104,210,988.00/14,617.16
  6. Step 6: Final answer
    x = 7,129.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.