Home / 14,663.16-20,237.85-8,698.32

Finding the Fourth Proportional to 14,663.16, 20,237.85 and 8,698.32

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Solution

The fourth proportional to 14,663.16, 20,237.85 and 8,698.32 is: 12,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.16 : 20,237.85 = 8,698.32 : x
  2. Step 2: Convert to fraction form
    14,663.16/20,237.85 = 8,698.32/x
  3. Step 3: Cross multiply
    14,663.16x = 20,237.85 × 8,698.32
  4. Step 4: Simplify right side
    14,663.16x = 176,035,295.41
  5. Step 5: Solve for x
    x = 176,035,295.41/14,663.16
  6. Step 6: Final answer
    x = 12,005.28

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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.