Home / 14,670.08-20,237.28-9,359.36

Finding the Fourth Proportional to 14,670.08, 20,237.28 and 9,359.36

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Solution

The fourth proportional to 14,670.08, 20,237.28 and 9,359.36 is: 12,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.08 : 20,237.28 = 9,359.36 : x
  2. Step 2: Convert to fraction form
    14,670.08/20,237.28 = 9,359.36/x
  3. Step 3: Cross multiply
    14,670.08x = 20,237.28 × 9,359.36
  4. Step 4: Simplify right side
    14,670.08x = 189,407,988.94
  5. Step 5: Solve for x
    x = 189,407,988.94/14,670.08
  6. Step 6: Final answer
    x = 12,911.18

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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.