Home / 25,068.40-34,594.32-13,890.40

Finding the Fourth Proportional to 25,068.40, 34,594.32 and 13,890.40

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Solution

The fourth proportional to 25,068.40, 34,594.32 and 13,890.40 is: 19,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,068.40 : 34,594.32 = 13,890.40 : x
  2. Step 2: Convert to fraction form
    25,068.40/34,594.32 = 13,890.40/x
  3. Step 3: Cross multiply
    25,068.40x = 34,594.32 × 13,890.40
  4. Step 4: Simplify right side
    25,068.40x = 480,528,942.53
  5. Step 5: Solve for x
    x = 480,528,942.53/25,068.40
  6. Step 6: Final answer
    x = 19,168.71

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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.