Home / 14,136.36-19,508.40-7,848.80

Finding the Fourth Proportional to 14,136.36, 19,508.40 and 7,848.80

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Solution

The fourth proportional to 14,136.36, 19,508.40 and 7,848.80 is: 10,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.36 : 19,508.40 = 7,848.80 : x
  2. Step 2: Convert to fraction form
    14,136.36/19,508.40 = 7,848.80/x
  3. Step 3: Cross multiply
    14,136.36x = 19,508.40 × 7,848.80
  4. Step 4: Simplify right side
    14,136.36x = 153,117,529.92
  5. Step 5: Solve for x
    x = 153,117,529.92/14,136.36
  6. Step 6: Final answer
    x = 10,831.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.