Home / 14,875.25-20,521.35-9,208.49

Finding the Fourth Proportional to 14,875.25, 20,521.35 and 9,208.49

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Solution

The fourth proportional to 14,875.25, 20,521.35 and 9,208.49 is: 12,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.25 : 20,521.35 = 9,208.49 : x
  2. Step 2: Convert to fraction form
    14,875.25/20,521.35 = 9,208.49/x
  3. Step 3: Cross multiply
    14,875.25x = 20,521.35 × 9,208.49
  4. Step 4: Simplify right side
    14,875.25x = 188,970,543.65
  5. Step 5: Solve for x
    x = 188,970,543.65/14,875.25
  6. Step 6: Final answer
    x = 12,703.69

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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.