Home / 39,459.16-59,188.62-13,162.12

Finding the Fourth Proportional to 39,459.16, 59,188.62 and 13,162.12

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Solution

The fourth proportional to 39,459.16, 59,188.62 and 13,162.12 is: 19,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459.16 : 59,188.62 = 13,162.12 : x
  2. Step 2: Convert to fraction form
    39,459.16/59,188.62 = 13,162.12/x
  3. Step 3: Cross multiply
    39,459.16x = 59,188.62 × 13,162.12
  4. Step 4: Simplify right side
    39,459.16x = 779,047,719.07
  5. Step 5: Solve for x
    x = 779,047,719.07/39,459.16
  6. Step 6: Final answer
    x = 19,743.14

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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.