Home / 22,599.54-31,187.62-12,528.18

Finding the Fourth Proportional to 22,599.54, 31,187.62 and 12,528.18

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Solution

The fourth proportional to 22,599.54, 31,187.62 and 12,528.18 is: 17,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.54 : 31,187.62 = 12,528.18 : x
  2. Step 2: Convert to fraction form
    22,599.54/31,187.62 = 12,528.18/x
  3. Step 3: Cross multiply
    22,599.54x = 31,187.62 × 12,528.18
  4. Step 4: Simplify right side
    22,599.54x = 390,724,117.13
  5. Step 5: Solve for x
    x = 390,724,117.13/22,599.54
  6. Step 6: Final answer
    x = 17,289.03

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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.