Home / 13,460.19-18,575.93-7,491.84

Finding the Fourth Proportional to 13,460.19, 18,575.93 and 7,491.84

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Solution

The fourth proportional to 13,460.19, 18,575.93 and 7,491.84 is: 10,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.19 : 18,575.93 = 7,491.84 : x
  2. Step 2: Convert to fraction form
    13,460.19/18,575.93 = 7,491.84/x
  3. Step 3: Cross multiply
    13,460.19x = 18,575.93 × 7,491.84
  4. Step 4: Simplify right side
    13,460.19x = 139,167,895.41
  5. Step 5: Solve for x
    x = 139,167,895.41/13,460.19
  6. Step 6: Final answer
    x = 10,339.22

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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.