Home / 10,036.50-15,021.17-9,903.74

Finding the Fourth Proportional to 10,036.50, 15,021.17 and 9,903.74

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Solution

The fourth proportional to 10,036.50, 15,021.17 and 9,903.74 is: 14,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.50 : 15,021.17 = 9,903.74 : x
  2. Step 2: Convert to fraction form
    10,036.50/15,021.17 = 9,903.74/x
  3. Step 3: Cross multiply
    10,036.50x = 15,021.17 × 9,903.74
  4. Step 4: Simplify right side
    10,036.50x = 148,765,762.18
  5. Step 5: Solve for x
    x = 148,765,762.18/10,036.50
  6. Step 6: Final answer
    x = 14,822.47

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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.