Home / 16,970.49-23,418.65-9,417.15

Finding the Fourth Proportional to 16,970.49, 23,418.65 and 9,417.15

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Solution

The fourth proportional to 16,970.49, 23,418.65 and 9,417.15 is: 12,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.49 : 23,418.65 = 9,417.15 : x
  2. Step 2: Convert to fraction form
    16,970.49/23,418.65 = 9,417.15/x
  3. Step 3: Cross multiply
    16,970.49x = 23,418.65 × 9,417.15
  4. Step 4: Simplify right side
    16,970.49x = 220,536,892.76
  5. Step 5: Solve for x
    x = 220,536,892.76/16,970.49
  6. Step 6: Final answer
    x = 12,995.32

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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.