Home / 19,126.60-28,689.90-17,085.40

Finding the Fourth Proportional to 19,126.60, 28,689.90 and 17,085.40

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Solution

The fourth proportional to 19,126.60, 28,689.90 and 17,085.40 is: 25,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.60 : 28,689.90 = 17,085.40 : x
  2. Step 2: Convert to fraction form
    19,126.60/28,689.90 = 17,085.40/x
  3. Step 3: Cross multiply
    19,126.60x = 28,689.90 × 17,085.40
  4. Step 4: Simplify right side
    19,126.60x = 490,178,417.46
  5. Step 5: Solve for x
    x = 490,178,417.46/19,126.60
  6. Step 6: Final answer
    x = 25,628.10

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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.