Home / 22,702.04-31,325.80-12,628.47

Finding the Fourth Proportional to 22,702.04, 31,325.80 and 12,628.47

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Solution

The fourth proportional to 22,702.04, 31,325.80 and 12,628.47 is: 17,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.04 : 31,325.80 = 12,628.47 : x
  2. Step 2: Convert to fraction form
    22,702.04/31,325.80 = 12,628.47/x
  3. Step 3: Cross multiply
    22,702.04x = 31,325.80 × 12,628.47
  4. Step 4: Simplify right side
    22,702.04x = 395,596,925.53
  5. Step 5: Solve for x
    x = 395,596,925.53/22,702.04
  6. Step 6: Final answer
    x = 17,425.61

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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.