Home / 22,599.88-31,184.55-12,528.32

Finding the Fourth Proportional to 22,599.88, 31,184.55 and 12,528.32

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Solution

The fourth proportional to 22,599.88, 31,184.55 and 12,528.32 is: 17,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.88 : 31,184.55 = 12,528.32 : x
  2. Step 2: Convert to fraction form
    22,599.88/31,184.55 = 12,528.32/x
  3. Step 3: Cross multiply
    22,599.88x = 31,184.55 × 12,528.32
  4. Step 4: Simplify right side
    22,599.88x = 390,689,865.53
  5. Step 5: Solve for x
    x = 390,689,865.53/22,599.88
  6. Step 6: Final answer
    x = 17,287.26

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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.