Home / 38,746.96-58,114.95-12,448.30

Finding the Fourth Proportional to 38,746.96, 58,114.95 and 12,448.30

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Solution

The fourth proportional to 38,746.96, 58,114.95 and 12,448.30 is: 18,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,746.96 : 58,114.95 = 12,448.30 : x
  2. Step 2: Convert to fraction form
    38,746.96/58,114.95 = 12,448.30/x
  3. Step 3: Cross multiply
    38,746.96x = 58,114.95 × 12,448.30
  4. Step 4: Simplify right side
    38,746.96x = 723,432,332.09
  5. Step 5: Solve for x
    x = 723,432,332.09/38,746.96
  6. Step 6: Final answer
    x = 18,670.69

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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.