Home / 13,434.08-18,539.35-7,466.00

Finding the Fourth Proportional to 13,434.08, 18,539.35 and 7,466.00

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Solution

The fourth proportional to 13,434.08, 18,539.35 and 7,466.00 is: 10,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.08 : 18,539.35 = 7,466.00 : x
  2. Step 2: Convert to fraction form
    13,434.08/18,539.35 = 7,466.00/x
  3. Step 3: Cross multiply
    13,434.08x = 18,539.35 × 7,466.00
  4. Step 4: Simplify right side
    13,434.08x = 138,414,675.74
  5. Step 5: Solve for x
    x = 138,414,675.74/13,434.08
  6. Step 6: Final answer
    x = 10,303.25

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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.