Home / 23,689.17-32,690.79-13,078.53

Finding the Fourth Proportional to 23,689.17, 32,690.79 and 13,078.53

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Solution

The fourth proportional to 23,689.17, 32,690.79 and 13,078.53 is: 18,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.17 : 32,690.79 = 13,078.53 : x
  2. Step 2: Convert to fraction form
    23,689.17/32,690.79 = 13,078.53/x
  3. Step 3: Cross multiply
    23,689.17x = 32,690.79 × 13,078.53
  4. Step 4: Simplify right side
    23,689.17x = 427,547,477.74
  5. Step 5: Solve for x
    x = 427,547,477.74/23,689.17
  6. Step 6: Final answer
    x = 18,048.23

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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.