Home / 14,973.06-20,663.32-8,167.45

Finding the Fourth Proportional to 14,973.06, 20,663.32 and 8,167.45

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Solution

The fourth proportional to 14,973.06, 20,663.32 and 8,167.45 is: 11,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.06 : 20,663.32 = 8,167.45 : x
  2. Step 2: Convert to fraction form
    14,973.06/20,663.32 = 8,167.45/x
  3. Step 3: Cross multiply
    14,973.06x = 20,663.32 × 8,167.45
  4. Step 4: Simplify right side
    14,973.06x = 168,766,632.93
  5. Step 5: Solve for x
    x = 168,766,632.93/14,973.06
  6. Step 6: Final answer
    x = 11,271.35

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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.