Home / 13,435.04-18,540.23-7,466.59

Finding the Fourth Proportional to 13,435.04, 18,540.23 and 7,466.59

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Solution

The fourth proportional to 13,435.04, 18,540.23 and 7,466.59 is: 10,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.04 : 18,540.23 = 7,466.59 : x
  2. Step 2: Convert to fraction form
    13,435.04/18,540.23 = 7,466.59/x
  3. Step 3: Cross multiply
    13,435.04x = 18,540.23 × 7,466.59
  4. Step 4: Simplify right side
    13,435.04x = 138,432,281.76
  5. Step 5: Solve for x
    x = 138,432,281.76/13,435.04
  6. Step 6: Final answer
    x = 10,303.82

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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.