Home / 47,215.91-70,807.37-13,927.14

Finding the Fourth Proportional to 47,215.91, 70,807.37 and 13,927.14

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Solution

The fourth proportional to 47,215.91, 70,807.37 and 13,927.14 is: 20,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,215.91 : 70,807.37 = 13,927.14 : x
  2. Step 2: Convert to fraction form
    47,215.91/70,807.37 = 13,927.14/x
  3. Step 3: Cross multiply
    47,215.91x = 70,807.37 × 13,927.14
  4. Step 4: Simplify right side
    47,215.91x = 986,144,085.39
  5. Step 5: Solve for x
    x = 986,144,085.39/47,215.91
  6. Step 6: Final answer
    x = 20,885.84

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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.