Home / 19,606.04-29,415.90-9,218.60

Finding the Fourth Proportional to 19,606.04, 29,415.90 and 9,218.60

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Solution

The fourth proportional to 19,606.04, 29,415.90 and 9,218.60 is: 13,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.04 : 29,415.90 = 9,218.60 : x
  2. Step 2: Convert to fraction form
    19,606.04/29,415.90 = 9,218.60/x
  3. Step 3: Cross multiply
    19,606.04x = 29,415.90 × 9,218.60
  4. Step 4: Simplify right side
    19,606.04x = 271,173,415.74
  5. Step 5: Solve for x
    x = 271,173,415.74/19,606.04
  6. Step 6: Final answer
    x = 13,831.12

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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.