Home / 22,585.16-31,157.66-15,875.12

Finding the Fourth Proportional to 22,585.16, 31,157.66 and 15,875.12

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Solution

The fourth proportional to 22,585.16, 31,157.66 and 15,875.12 is: 21,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.16 : 31,157.66 = 15,875.12 : x
  2. Step 2: Convert to fraction form
    22,585.16/31,157.66 = 15,875.12/x
  3. Step 3: Cross multiply
    22,585.16x = 31,157.66 × 15,875.12
  4. Step 4: Simplify right side
    22,585.16x = 494,631,709.00
  5. Step 5: Solve for x
    x = 494,631,709.00/22,585.16
  6. Step 6: Final answer
    x = 21,900.74

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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.