Home / 39,187.77-58,783.88-12,536.10

Finding the Fourth Proportional to 39,187.77, 58,783.88 and 12,536.10

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Solution

The fourth proportional to 39,187.77, 58,783.88 and 12,536.10 is: 18,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.77 : 58,783.88 = 12,536.10 : x
  2. Step 2: Convert to fraction form
    39,187.77/58,783.88 = 12,536.10/x
  3. Step 3: Cross multiply
    39,187.77x = 58,783.88 × 12,536.10
  4. Step 4: Simplify right side
    39,187.77x = 736,920,598.07
  5. Step 5: Solve for x
    x = 736,920,598.07/39,187.77
  6. Step 6: Final answer
    x = 18,804.86

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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.