Home / 39,312.20-58,957.36-13,019.00

Finding the Fourth Proportional to 39,312.20, 58,957.36 and 13,019.00

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Solution

The fourth proportional to 39,312.20, 58,957.36 and 13,019.00 is: 19,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.20 : 58,957.36 = 13,019.00 : x
  2. Step 2: Convert to fraction form
    39,312.20/58,957.36 = 13,019.00/x
  3. Step 3: Cross multiply
    39,312.20x = 58,957.36 × 13,019.00
  4. Step 4: Simplify right side
    39,312.20x = 767,565,542.51
  5. Step 5: Solve for x
    x = 767,565,542.51/39,312.20
  6. Step 6: Final answer
    x = 19,524.87

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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.