Home / 13,492.61-18,624.93-10,145.15

Finding the Fourth Proportional to 13,492.61, 18,624.93 and 10,145.15

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Solution

The fourth proportional to 13,492.61, 18,624.93 and 10,145.15 is: 14,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.61 : 18,624.93 = 10,145.15 : x
  2. Step 2: Convert to fraction form
    13,492.61/18,624.93 = 10,145.15/x
  3. Step 3: Cross multiply
    13,492.61x = 18,624.93 × 10,145.15
  4. Step 4: Simplify right side
    13,492.61x = 188,952,615.46
  5. Step 5: Solve for x
    x = 188,952,615.46/13,492.61
  6. Step 6: Final answer
    x = 14,004.15

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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.