Home / 32,709.61-45,140.66-18,563.77

Finding the Fourth Proportional to 32,709.61, 45,140.66 and 18,563.77

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Solution

The fourth proportional to 32,709.61, 45,140.66 and 18,563.77 is: 25,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.61 : 45,140.66 = 18,563.77 : x
  2. Step 2: Convert to fraction form
    32,709.61/45,140.66 = 18,563.77/x
  3. Step 3: Cross multiply
    32,709.61x = 45,140.66 × 18,563.77
  4. Step 4: Simplify right side
    32,709.61x = 837,980,829.89
  5. Step 5: Solve for x
    x = 837,980,829.89/32,709.61
  6. Step 6: Final answer
    x = 25,618.80

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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.