Home / 14,901.56-20,564.53-8,187.36

Finding the Fourth Proportional to 14,901.56, 20,564.53 and 8,187.36

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Solution

The fourth proportional to 14,901.56, 20,564.53 and 8,187.36 is: 11,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.56 : 20,564.53 = 8,187.36 : x
  2. Step 2: Convert to fraction form
    14,901.56/20,564.53 = 8,187.36/x
  3. Step 3: Cross multiply
    14,901.56x = 20,564.53 × 8,187.36
  4. Step 4: Simplify right side
    14,901.56x = 168,369,210.34
  5. Step 5: Solve for x
    x = 168,369,210.34/14,901.56
  6. Step 6: Final answer
    x = 11,298.76

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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.