Home / 35,178.40-52,761.84-13,002.16

Finding the Fourth Proportional to 35,178.40, 52,761.84 and 13,002.16

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Solution

The fourth proportional to 35,178.40, 52,761.84 and 13,002.16 is: 19,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.40 : 52,761.84 = 13,002.16 : x
  2. Step 2: Convert to fraction form
    35,178.40/52,761.84 = 13,002.16/x
  3. Step 3: Cross multiply
    35,178.40x = 52,761.84 × 13,002.16
  4. Step 4: Simplify right side
    35,178.40x = 686,017,885.57
  5. Step 5: Solve for x
    x = 686,017,885.57/35,178.40
  6. Step 6: Final answer
    x = 19,501.11

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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.