Home / 22,756.04-31,402.59-12,684.90

Finding the Fourth Proportional to 22,756.04, 31,402.59 and 12,684.90

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Solution

The fourth proportional to 22,756.04, 31,402.59 and 12,684.90 is: 17,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,756.04 : 31,402.59 = 12,684.90 : x
  2. Step 2: Convert to fraction form
    22,756.04/31,402.59 = 12,684.90/x
  3. Step 3: Cross multiply
    22,756.04x = 31,402.59 × 12,684.90
  4. Step 4: Simplify right side
    22,756.04x = 398,338,784.08
  5. Step 5: Solve for x
    x = 398,338,784.08/22,756.04
  6. Step 6: Final answer
    x = 17,504.75

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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.