Home / 13,460.40-18,575.60-7,492.52

Finding the Fourth Proportional to 13,460.40, 18,575.60 and 7,492.52

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Solution

The fourth proportional to 13,460.40, 18,575.60 and 7,492.52 is: 10,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.40 : 18,575.60 = 7,492.52 : x
  2. Step 2: Convert to fraction form
    13,460.40/18,575.60 = 7,492.52/x
  3. Step 3: Cross multiply
    13,460.40x = 18,575.60 × 7,492.52
  4. Step 4: Simplify right side
    13,460.40x = 139,178,063.49
  5. Step 5: Solve for x
    x = 139,178,063.49/13,460.40
  6. Step 6: Final answer
    x = 10,339.82

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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.