Home / 15,784.28-23,671.71-13,004.06

Finding the Fourth Proportional to 15,784.28, 23,671.71 and 13,004.06

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Solution

The fourth proportional to 15,784.28, 23,671.71 and 13,004.06 is: 19,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.28 : 23,671.71 = 13,004.06 : x
  2. Step 2: Convert to fraction form
    15,784.28/23,671.71 = 13,004.06/x
  3. Step 3: Cross multiply
    15,784.28x = 23,671.71 × 13,004.06
  4. Step 4: Simplify right side
    15,784.28x = 307,828,337.14
  5. Step 5: Solve for x
    x = 307,828,337.14/15,784.28
  6. Step 6: Final answer
    x = 19,502.21

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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.