Home / 14,762.05-20,370.60-8,302.65

Finding the Fourth Proportional to 14,762.05, 20,370.60 and 8,302.65

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Solution

The fourth proportional to 14,762.05, 20,370.60 and 8,302.65 is: 11,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.05 : 20,370.60 = 8,302.65 : x
  2. Step 2: Convert to fraction form
    14,762.05/20,370.60 = 8,302.65/x
  3. Step 3: Cross multiply
    14,762.05x = 20,370.60 × 8,302.65
  4. Step 4: Simplify right side
    14,762.05x = 169,129,962.09
  5. Step 5: Solve for x
    x = 169,129,962.09/14,762.05
  6. Step 6: Final answer
    x = 11,457.08

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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.