Home / 12,335.40-18,503.28-4,015.46

Finding the Fourth Proportional to 12,335.40, 18,503.28 and 4,015.46

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Solution

The fourth proportional to 12,335.40, 18,503.28 and 4,015.46 is: 6,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.40 : 18,503.28 = 4,015.46 : x
  2. Step 2: Convert to fraction form
    12,335.40/18,503.28 = 4,015.46/x
  3. Step 3: Cross multiply
    12,335.40x = 18,503.28 × 4,015.46
  4. Step 4: Simplify right side
    12,335.40x = 74,299,160.63
  5. Step 5: Solve for x
    x = 74,299,160.63/12,335.40
  6. Step 6: Final answer
    x = 6,023.25

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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.