Home / 14,798.16-20,421.63-8,083.98

Finding the Fourth Proportional to 14,798.16, 20,421.63 and 8,083.98

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Solution

The fourth proportional to 14,798.16, 20,421.63 and 8,083.98 is: 11,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.16 : 20,421.63 = 8,083.98 : x
  2. Step 2: Convert to fraction form
    14,798.16/20,421.63 = 8,083.98/x
  3. Step 3: Cross multiply
    14,798.16x = 20,421.63 × 8,083.98
  4. Step 4: Simplify right side
    14,798.16x = 165,088,048.49
  5. Step 5: Solve for x
    x = 165,088,048.49/14,798.16
  6. Step 6: Final answer
    x = 11,155.98

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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.