Home / 15,548.71-23,307.57-12,434.05

Finding the Fourth Proportional to 15,548.71, 23,307.57 and 12,434.05

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Solution

The fourth proportional to 15,548.71, 23,307.57 and 12,434.05 is: 18,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.71 : 23,307.57 = 12,434.05 : x
  2. Step 2: Convert to fraction form
    15,548.71/23,307.57 = 12,434.05/x
  3. Step 3: Cross multiply
    15,548.71x = 23,307.57 × 12,434.05
  4. Step 4: Simplify right side
    15,548.71x = 289,807,490.76
  5. Step 5: Solve for x
    x = 289,807,490.76/15,548.71
  6. Step 6: Final answer
    x = 18,638.68

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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.