Home / 14,091.04-21,143.76-7,165.52

Finding the Fourth Proportional to 14,091.04, 21,143.76 and 7,165.52

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Solution

The fourth proportional to 14,091.04, 21,143.76 and 7,165.52 is: 10,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.04 : 21,143.76 = 7,165.52 : x
  2. Step 2: Convert to fraction form
    14,091.04/21,143.76 = 7,165.52/x
  3. Step 3: Cross multiply
    14,091.04x = 21,143.76 × 7,165.52
  4. Step 4: Simplify right side
    14,091.04x = 151,506,035.16
  5. Step 5: Solve for x
    x = 151,506,035.16/14,091.04
  6. Step 6: Final answer
    x = 10,751.94

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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.