Home / 23,421.09-32,313.24-13,342.40

Finding the Fourth Proportional to 23,421.09, 32,313.24 and 13,342.40

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Solution

The fourth proportional to 23,421.09, 32,313.24 and 13,342.40 is: 18,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.09 : 32,313.24 = 13,342.40 : x
  2. Step 2: Convert to fraction form
    23,421.09/32,313.24 = 13,342.40/x
  3. Step 3: Cross multiply
    23,421.09x = 32,313.24 × 13,342.40
  4. Step 4: Simplify right side
    23,421.09x = 431,136,011.81
  5. Step 5: Solve for x
    x = 431,136,011.81/23,421.09
  6. Step 6: Final answer
    x = 18,408.03

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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.