Home / 13,270.98-18,315.18-7,303.86

Finding the Fourth Proportional to 13,270.98, 18,315.18 and 7,303.86

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Solution

The fourth proportional to 13,270.98, 18,315.18 and 7,303.86 is: 10,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.98 : 18,315.18 = 7,303.86 : x
  2. Step 2: Convert to fraction form
    13,270.98/18,315.18 = 7,303.86/x
  3. Step 3: Cross multiply
    13,270.98x = 18,315.18 × 7,303.86
  4. Step 4: Simplify right side
    13,270.98x = 133,771,510.59
  5. Step 5: Solve for x
    x = 133,771,510.59/13,270.98
  6. Step 6: Final answer
    x = 10,080.00

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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.