Home / 13,158.03-19,733.16-7,153.17

Finding the Fourth Proportional to 13,158.03, 19,733.16 and 7,153.17

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Solution

The fourth proportional to 13,158.03, 19,733.16 and 7,153.17 is: 10,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.03 : 19,733.16 = 7,153.17 : x
  2. Step 2: Convert to fraction form
    13,158.03/19,733.16 = 7,153.17/x
  3. Step 3: Cross multiply
    13,158.03x = 19,733.16 × 7,153.17
  4. Step 4: Simplify right side
    13,158.03x = 141,154,648.12
  5. Step 5: Solve for x
    x = 141,154,648.12/13,158.03
  6. Step 6: Final answer
    x = 10,727.64

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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.