Home / 39,425.19-59,147.19-13,130.16

Finding the Fourth Proportional to 39,425.19, 59,147.19 and 13,130.16

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Solution

The fourth proportional to 39,425.19, 59,147.19 and 13,130.16 is: 19,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.19 : 59,147.19 = 13,130.16 : x
  2. Step 2: Convert to fraction form
    39,425.19/59,147.19 = 13,130.16/x
  3. Step 3: Cross multiply
    39,425.19x = 59,147.19 × 13,130.16
  4. Step 4: Simplify right side
    39,425.19x = 776,612,068.25
  5. Step 5: Solve for x
    x = 776,612,068.25/39,425.19
  6. Step 6: Final answer
    x = 19,698.37

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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.