Home / 14,328.47-19,772.77-7,955.34

Finding the Fourth Proportional to 14,328.47, 19,772.77 and 7,955.34

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Solution

The fourth proportional to 14,328.47, 19,772.77 and 7,955.34 is: 10,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.47 : 19,772.77 = 7,955.34 : x
  2. Step 2: Convert to fraction form
    14,328.47/19,772.77 = 7,955.34/x
  3. Step 3: Cross multiply
    14,328.47x = 19,772.77 × 7,955.34
  4. Step 4: Simplify right side
    14,328.47x = 157,299,108.09
  5. Step 5: Solve for x
    x = 157,299,108.09/14,328.47
  6. Step 6: Final answer
    x = 10,978.08

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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.