Home / 12,056.40-18,053.15-9,703.55

Finding the Fourth Proportional to 12,056.40, 18,053.15 and 9,703.55

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Solution

The fourth proportional to 12,056.40, 18,053.15 and 9,703.55 is: 14,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.40 : 18,053.15 = 9,703.55 : x
  2. Step 2: Convert to fraction form
    12,056.40/18,053.15 = 9,703.55/x
  3. Step 3: Cross multiply
    12,056.40x = 18,053.15 × 9,703.55
  4. Step 4: Simplify right side
    12,056.40x = 175,179,640.30
  5. Step 5: Solve for x
    x = 175,179,640.30/12,056.40
  6. Step 6: Final answer
    x = 14,530.01

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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.