Home / 32,709.86-45,140.70-18,372.22

Finding the Fourth Proportional to 32,709.86, 45,140.70 and 18,372.22

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Solution

The fourth proportional to 32,709.86, 45,140.70 and 18,372.22 is: 25,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.86 : 45,140.70 = 18,372.22 : x
  2. Step 2: Convert to fraction form
    32,709.86/45,140.70 = 18,372.22/x
  3. Step 3: Cross multiply
    32,709.86x = 45,140.70 × 18,372.22
  4. Step 4: Simplify right side
    32,709.86x = 829,334,779.49
  5. Step 5: Solve for x
    x = 829,334,779.49/32,709.86
  6. Step 6: Final answer
    x = 25,354.27

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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.