Home / 22,599.66-31,187.34-12,528.66

Finding the Fourth Proportional to 22,599.66, 31,187.34 and 12,528.66

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Solution

The fourth proportional to 22,599.66, 31,187.34 and 12,528.66 is: 17,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.66 : 31,187.34 = 12,528.66 : x
  2. Step 2: Convert to fraction form
    22,599.66/31,187.34 = 12,528.66/x
  3. Step 3: Cross multiply
    22,599.66x = 31,187.34 × 12,528.66
  4. Step 4: Simplify right side
    22,599.66x = 390,735,579.16
  5. Step 5: Solve for x
    x = 390,735,579.16/22,599.66
  6. Step 6: Final answer
    x = 17,289.45

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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.