Home / 14,827.48-20,455.05-8,536.21

Finding the Fourth Proportional to 14,827.48, 20,455.05 and 8,536.21

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Solution

The fourth proportional to 14,827.48, 20,455.05 and 8,536.21 is: 11,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.48 : 20,455.05 = 8,536.21 : x
  2. Step 2: Convert to fraction form
    14,827.48/20,455.05 = 8,536.21/x
  3. Step 3: Cross multiply
    14,827.48x = 20,455.05 × 8,536.21
  4. Step 4: Simplify right side
    14,827.48x = 174,608,602.36
  5. Step 5: Solve for x
    x = 174,608,602.36/14,827.48
  6. Step 6: Final answer
    x = 11,776.01

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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.