Home / 25,153.78-34,702.27-16,206.51

Finding the Fourth Proportional to 25,153.78, 34,702.27 and 16,206.51

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Solution

The fourth proportional to 25,153.78, 34,702.27 and 16,206.51 is: 22,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.78 : 34,702.27 = 16,206.51 : x
  2. Step 2: Convert to fraction form
    25,153.78/34,702.27 = 16,206.51/x
  3. Step 3: Cross multiply
    25,153.78x = 34,702.27 × 16,206.51
  4. Step 4: Simplify right side
    25,153.78x = 562,402,685.78
  5. Step 5: Solve for x
    x = 562,402,685.78/25,153.78
  6. Step 6: Final answer
    x = 22,358.58

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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.