Home / 13,051.23-18,018.50-8,582.46

Finding the Fourth Proportional to 13,051.23, 18,018.50 and 8,582.46

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Solution

The fourth proportional to 13,051.23, 18,018.50 and 8,582.46 is: 11,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.23 : 18,018.50 = 8,582.46 : x
  2. Step 2: Convert to fraction form
    13,051.23/18,018.50 = 8,582.46/x
  3. Step 3: Cross multiply
    13,051.23x = 18,018.50 × 8,582.46
  4. Step 4: Simplify right side
    13,051.23x = 154,643,012.60
  5. Step 5: Solve for x
    x = 154,643,012.60/13,051.23
  6. Step 6: Final answer
    x = 11,848.92

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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.