Home / 23,423.79-32,325.63-13,353.72

Finding the Fourth Proportional to 23,423.79, 32,325.63 and 13,353.72

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Solution

The fourth proportional to 23,423.79, 32,325.63 and 13,353.72 is: 18,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,423.79 : 32,325.63 = 13,353.72 : x
  2. Step 2: Convert to fraction form
    23,423.79/32,325.63 = 13,353.72/x
  3. Step 3: Cross multiply
    23,423.79x = 32,325.63 × 13,353.72
  4. Step 4: Simplify right side
    23,423.79x = 431,667,411.84
  5. Step 5: Solve for x
    x = 431,667,411.84/23,423.79
  6. Step 6: Final answer
    x = 18,428.59

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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.