Home / 14,085.07-19,436.63-7,710.41

Finding the Fourth Proportional to 14,085.07, 19,436.63 and 7,710.41

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Solution

The fourth proportional to 14,085.07, 19,436.63 and 7,710.41 is: 10,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.07 : 19,436.63 = 7,710.41 : x
  2. Step 2: Convert to fraction form
    14,085.07/19,436.63 = 7,710.41/x
  3. Step 3: Cross multiply
    14,085.07x = 19,436.63 × 7,710.41
  4. Step 4: Simplify right side
    14,085.07x = 149,864,396.36
  5. Step 5: Solve for x
    x = 149,864,396.36/14,085.07
  6. Step 6: Final answer
    x = 10,639.95

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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.