Home / 13,485.96-18,612.99-10,294.02

Finding the Fourth Proportional to 13,485.96, 18,612.99 and 10,294.02

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Solution

The fourth proportional to 13,485.96, 18,612.99 and 10,294.02 is: 14,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.96 : 18,612.99 = 10,294.02 : x
  2. Step 2: Convert to fraction form
    13,485.96/18,612.99 = 10,294.02/x
  3. Step 3: Cross multiply
    13,485.96x = 18,612.99 × 10,294.02
  4. Step 4: Simplify right side
    13,485.96x = 191,602,491.32
  5. Step 5: Solve for x
    x = 191,602,491.32/13,485.96
  6. Step 6: Final answer
    x = 14,207.55

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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.