Home / 13,130.84-19,667.33-10,853.51

Finding the Fourth Proportional to 13,130.84, 19,667.33 and 10,853.51

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Solution

The fourth proportional to 13,130.84, 19,667.33 and 10,853.51 is: 16,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.84 : 19,667.33 = 10,853.51 : x
  2. Step 2: Convert to fraction form
    13,130.84/19,667.33 = 10,853.51/x
  3. Step 3: Cross multiply
    13,130.84x = 19,667.33 × 10,853.51
  4. Step 4: Simplify right side
    13,130.84x = 213,459,586.34
  5. Step 5: Solve for x
    x = 213,459,586.34/13,130.84
  6. Step 6: Final answer
    x = 16,256.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.