Home / 39,705.07-59,557.74-13,410.04

Finding the Fourth Proportional to 39,705.07, 59,557.74 and 13,410.04

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Solution

The fourth proportional to 39,705.07, 59,557.74 and 13,410.04 is: 20,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.07 : 59,557.74 = 13,410.04 : x
  2. Step 2: Convert to fraction form
    39,705.07/59,557.74 = 13,410.04/x
  3. Step 3: Cross multiply
    39,705.07x = 59,557.74 × 13,410.04
  4. Step 4: Simplify right side
    39,705.07x = 798,671,675.71
  5. Step 5: Solve for x
    x = 798,671,675.71/39,705.07
  6. Step 6: Final answer
    x = 20,115.11

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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.