Home / 14,681.42-20,261.34-8,308.00

Finding the Fourth Proportional to 14,681.42, 20,261.34 and 8,308.00

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Solution

The fourth proportional to 14,681.42, 20,261.34 and 8,308.00 is: 11,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.42 : 20,261.34 = 8,308.00 : x
  2. Step 2: Convert to fraction form
    14,681.42/20,261.34 = 8,308.00/x
  3. Step 3: Cross multiply
    14,681.42x = 20,261.34 × 8,308.00
  4. Step 4: Simplify right side
    14,681.42x = 168,331,238.05
  5. Step 5: Solve for x
    x = 168,331,238.05/14,681.42
  6. Step 6: Final answer
    x = 11,465.60

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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.