Home / 14,688.36-20,269.87-7,973.93

Finding the Fourth Proportional to 14,688.36, 20,269.87 and 7,973.93

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Solution

The fourth proportional to 14,688.36, 20,269.87 and 7,973.93 is: 11,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.36 : 20,269.87 = 7,973.93 : x
  2. Step 2: Convert to fraction form
    14,688.36/20,269.87 = 7,973.93/x
  3. Step 3: Cross multiply
    14,688.36x = 20,269.87 × 7,973.93
  4. Step 4: Simplify right side
    14,688.36x = 161,630,555.23
  5. Step 5: Solve for x
    x = 161,630,555.23/14,688.36
  6. Step 6: Final answer
    x = 11,003.99

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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.