Home / 19,580.04-29,373.12-6,429.42

Finding the Fourth Proportional to 19,580.04, 29,373.12 and 6,429.42

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Solution

The fourth proportional to 19,580.04, 29,373.12 and 6,429.42 is: 9,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.04 : 29,373.12 = 6,429.42 : x
  2. Step 2: Convert to fraction form
    19,580.04/29,373.12 = 6,429.42/x
  3. Step 3: Cross multiply
    19,580.04x = 29,373.12 × 6,429.42
  4. Step 4: Simplify right side
    19,580.04x = 188,852,125.19
  5. Step 5: Solve for x
    x = 188,852,125.19/19,580.04
  6. Step 6: Final answer
    x = 9,645.13

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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.