Home / 14,271.49-19,713.48-10,955.28

Finding the Fourth Proportional to 14,271.49, 19,713.48 and 10,955.28

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Solution

The fourth proportional to 14,271.49, 19,713.48 and 10,955.28 is: 15,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.49 : 19,713.48 = 10,955.28 : x
  2. Step 2: Convert to fraction form
    14,271.49/19,713.48 = 10,955.28/x
  3. Step 3: Cross multiply
    14,271.49x = 19,713.48 × 10,955.28
  4. Step 4: Simplify right side
    14,271.49x = 215,966,638.40
  5. Step 5: Solve for x
    x = 215,966,638.40/14,271.49
  6. Step 6: Final answer
    x = 15,132.74

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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.