Home / 13,750.04-18,990.54-9,292.22

Finding the Fourth Proportional to 13,750.04, 18,990.54 and 9,292.22

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Solution

The fourth proportional to 13,750.04, 18,990.54 and 9,292.22 is: 12,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.04 : 18,990.54 = 9,292.22 : x
  2. Step 2: Convert to fraction form
    13,750.04/18,990.54 = 9,292.22/x
  3. Step 3: Cross multiply
    13,750.04x = 18,990.54 × 9,292.22
  4. Step 4: Simplify right side
    13,750.04x = 176,464,275.60
  5. Step 5: Solve for x
    x = 176,464,275.60/13,750.04
  6. Step 6: Final answer
    x = 12,833.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.