Home / 14,085.45-21,121.35-7,062.45

Finding the Fourth Proportional to 14,085.45, 21,121.35 and 7,062.45

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Solution

The fourth proportional to 14,085.45, 21,121.35 and 7,062.45 is: 10,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.45 : 21,121.35 = 7,062.45 : x
  2. Step 2: Convert to fraction form
    14,085.45/21,121.35 = 7,062.45/x
  3. Step 3: Cross multiply
    14,085.45x = 21,121.35 × 7,062.45
  4. Step 4: Simplify right side
    14,085.45x = 149,168,478.31
  5. Step 5: Solve for x
    x = 149,168,478.31/14,085.45
  6. Step 6: Final answer
    x = 10,590.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.