Home / 13,153.12-19,727.02-4,830.28

Finding the Fourth Proportional to 13,153.12, 19,727.02 and 4,830.28

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Solution

The fourth proportional to 13,153.12, 19,727.02 and 4,830.28 is: 7,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.12 : 19,727.02 = 4,830.28 : x
  2. Step 2: Convert to fraction form
    13,153.12/19,727.02 = 4,830.28/x
  3. Step 3: Cross multiply
    13,153.12x = 19,727.02 × 4,830.28
  4. Step 4: Simplify right side
    13,153.12x = 95,287,030.17
  5. Step 5: Solve for x
    x = 95,287,030.17/13,153.12
  6. Step 6: Final answer
    x = 7,244.44

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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.