Home / 16,970.81-23,418.59-9,416.66

Finding the Fourth Proportional to 16,970.81, 23,418.59 and 9,416.66

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Solution

The fourth proportional to 16,970.81, 23,418.59 and 9,416.66 is: 12,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.81 : 23,418.59 = 9,416.66 : x
  2. Step 2: Convert to fraction form
    16,970.81/23,418.59 = 9,416.66/x
  3. Step 3: Cross multiply
    16,970.81x = 23,418.59 × 9,416.66
  4. Step 4: Simplify right side
    16,970.81x = 220,524,899.71
  5. Step 5: Solve for x
    x = 220,524,899.71/16,970.81
  6. Step 6: Final answer
    x = 12,994.37

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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.