Home / 13,130.51-19,701.23-6,554.93

Finding the Fourth Proportional to 13,130.51, 19,701.23 and 6,554.93

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Solution

The fourth proportional to 13,130.51, 19,701.23 and 6,554.93 is: 9,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.51 : 19,701.23 = 6,554.93 : x
  2. Step 2: Convert to fraction form
    13,130.51/19,701.23 = 6,554.93/x
  3. Step 3: Cross multiply
    13,130.51x = 19,701.23 × 6,554.93
  4. Step 4: Simplify right side
    13,130.51x = 129,140,052.28
  5. Step 5: Solve for x
    x = 129,140,052.28/13,130.51
  6. Step 6: Final answer
    x = 9,835.12

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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.