Home / 39,585.36-59,386.68-11,505.72

Finding the Fourth Proportional to 39,585.36, 59,386.68 and 11,505.72

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Solution

The fourth proportional to 39,585.36, 59,386.68 and 11,505.72 is: 17,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.36 : 59,386.68 = 11,505.72 : x
  2. Step 2: Convert to fraction form
    39,585.36/59,386.68 = 11,505.72/x
  3. Step 3: Cross multiply
    39,585.36x = 59,386.68 × 11,505.72
  4. Step 4: Simplify right side
    39,585.36x = 683,286,511.81
  5. Step 5: Solve for x
    x = 683,286,511.81/39,585.36
  6. Step 6: Final answer
    x = 17,261.09

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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.