Home / 19,253.88-26,528.10-12,955.32

Finding the Fourth Proportional to 19,253.88, 26,528.10 and 12,955.32

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Solution

The fourth proportional to 19,253.88, 26,528.10 and 12,955.32 is: 17,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.88 : 26,528.10 = 12,955.32 : x
  2. Step 2: Convert to fraction form
    19,253.88/26,528.10 = 12,955.32/x
  3. Step 3: Cross multiply
    19,253.88x = 26,528.10 × 12,955.32
  4. Step 4: Simplify right side
    19,253.88x = 343,680,024.49
  5. Step 5: Solve for x
    x = 343,680,024.49/19,253.88
  6. Step 6: Final answer
    x = 17,849.91

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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.