Home / 13,479.68-18,597.56-7,510.20

Finding the Fourth Proportional to 13,479.68, 18,597.56 and 7,510.20

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Solution

The fourth proportional to 13,479.68, 18,597.56 and 7,510.20 is: 10,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.68 : 18,597.56 = 7,510.20 : x
  2. Step 2: Convert to fraction form
    13,479.68/18,597.56 = 7,510.20/x
  3. Step 3: Cross multiply
    13,479.68x = 18,597.56 × 7,510.20
  4. Step 4: Simplify right side
    13,479.68x = 139,671,395.11
  5. Step 5: Solve for x
    x = 139,671,395.11/13,479.68
  6. Step 6: Final answer
    x = 10,361.63

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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.