Home / 19,613.04-29,396.75-9,060.90

Finding the Fourth Proportional to 19,613.04, 29,396.75 and 9,060.90

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Solution

The fourth proportional to 19,613.04, 29,396.75 and 9,060.90 is: 13,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.04 : 29,396.75 = 9,060.90 : x
  2. Step 2: Convert to fraction form
    19,613.04/29,396.75 = 9,060.90/x
  3. Step 3: Cross multiply
    19,613.04x = 29,396.75 × 9,060.90
  4. Step 4: Simplify right side
    19,613.04x = 266,360,966.77
  5. Step 5: Solve for x
    x = 266,360,966.77/19,613.04
  6. Step 6: Final answer
    x = 13,580.81

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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.