Home / 23,689.20-35,501.40-19,315.20

Finding the Fourth Proportional to 23,689.20, 35,501.40 and 19,315.20

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Solution

The fourth proportional to 23,689.20, 35,501.40 and 19,315.20 is: 28,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.20 : 35,501.40 = 19,315.20 : x
  2. Step 2: Convert to fraction form
    23,689.20/35,501.40 = 19,315.20/x
  3. Step 3: Cross multiply
    23,689.20x = 35,501.40 × 19,315.20
  4. Step 4: Simplify right side
    23,689.20x = 685,716,641.28
  5. Step 5: Solve for x
    x = 685,716,641.28/23,689.20
  6. Step 6: Final answer
    x = 28,946.38

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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.