Home / 12,370.23-18,533.74-10,303.52

Finding the Fourth Proportional to 12,370.23, 18,533.74 and 10,303.52

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Solution

The fourth proportional to 12,370.23, 18,533.74 and 10,303.52 is: 15,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.23 : 18,533.74 = 10,303.52 : x
  2. Step 2: Convert to fraction form
    12,370.23/18,533.74 = 10,303.52/x
  3. Step 3: Cross multiply
    12,370.23x = 18,533.74 × 10,303.52
  4. Step 4: Simplify right side
    12,370.23x = 190,962,760.76
  5. Step 5: Solve for x
    x = 190,962,760.76/12,370.23
  6. Step 6: Final answer
    x = 15,437.28

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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.