Home / 35,497.04-53,228.60-12,117.20

Finding the Fourth Proportional to 35,497.04, 53,228.60 and 12,117.20

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Solution

The fourth proportional to 35,497.04, 53,228.60 and 12,117.20 is: 18,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,497.04 : 53,228.60 = 12,117.20 : x
  2. Step 2: Convert to fraction form
    35,497.04/53,228.60 = 12,117.20/x
  3. Step 3: Cross multiply
    35,497.04x = 53,228.60 × 12,117.20
  4. Step 4: Simplify right side
    35,497.04x = 644,981,591.92
  5. Step 5: Solve for x
    x = 644,981,591.92/35,497.04
  6. Step 6: Final answer
    x = 18,170.01

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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.