Home / 15,585.71-23,361.23-11,875.70

Finding the Fourth Proportional to 15,585.71, 23,361.23 and 11,875.70

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Solution

The fourth proportional to 15,585.71, 23,361.23 and 11,875.70 is: 17,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.71 : 23,361.23 = 11,875.70 : x
  2. Step 2: Convert to fraction form
    15,585.71/23,361.23 = 11,875.70/x
  3. Step 3: Cross multiply
    15,585.71x = 23,361.23 × 11,875.70
  4. Step 4: Simplify right side
    15,585.71x = 277,431,047.20
  5. Step 5: Solve for x
    x = 277,431,047.20/15,585.71
  6. Step 6: Final answer
    x = 17,800.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.