Home / 18,463.32-27,666.54-12,532.50

Finding the Fourth Proportional to 18,463.32, 27,666.54 and 12,532.50

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Solution

The fourth proportional to 18,463.32, 27,666.54 and 12,532.50 is: 18,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.32 : 27,666.54 = 12,532.50 : x
  2. Step 2: Convert to fraction form
    18,463.32/27,666.54 = 12,532.50/x
  3. Step 3: Cross multiply
    18,463.32x = 27,666.54 × 12,532.50
  4. Step 4: Simplify right side
    18,463.32x = 346,730,912.55
  5. Step 5: Solve for x
    x = 346,730,912.55/18,463.32
  6. Step 6: Final answer
    x = 18,779.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.