Home / 24,866.40-34,315.80-13,688.40

Finding the Fourth Proportional to 24,866.40, 34,315.80 and 13,688.40

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Solution

The fourth proportional to 24,866.40, 34,315.80 and 13,688.40 is: 18,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,866.40 : 34,315.80 = 13,688.40 : x
  2. Step 2: Convert to fraction form
    24,866.40/34,315.80 = 13,688.40/x
  3. Step 3: Cross multiply
    24,866.40x = 34,315.80 × 13,688.40
  4. Step 4: Simplify right side
    24,866.40x = 469,728,396.72
  5. Step 5: Solve for x
    x = 469,728,396.72/24,866.40
  6. Step 6: Final answer
    x = 18,890.08

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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.