Home / 39,587.36-59,389.68-11,507.72

Finding the Fourth Proportional to 39,587.36, 59,389.68 and 11,507.72

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Solution

The fourth proportional to 39,587.36, 59,389.68 and 11,507.72 is: 17,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.36 : 59,389.68 = 11,507.72 : x
  2. Step 2: Convert to fraction form
    39,587.36/59,389.68 = 11,507.72/x
  3. Step 3: Cross multiply
    39,587.36x = 59,389.68 × 11,507.72
  4. Step 4: Simplify right side
    39,587.36x = 683,439,808.33
  5. Step 5: Solve for x
    x = 683,439,808.33/39,587.36
  6. Step 6: Final answer
    x = 17,264.09

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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.