Home / 19,681.24-29,510.88-6,530.08

Finding the Fourth Proportional to 19,681.24, 29,510.88 and 6,530.08

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Solution

The fourth proportional to 19,681.24, 29,510.88 and 6,530.08 is: 9,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.24 : 29,510.88 = 6,530.08 : x
  2. Step 2: Convert to fraction form
    19,681.24/29,510.88 = 6,530.08/x
  3. Step 3: Cross multiply
    19,681.24x = 29,510.88 × 6,530.08
  4. Step 4: Simplify right side
    19,681.24x = 192,708,407.27
  5. Step 5: Solve for x
    x = 192,708,407.27/19,681.24
  6. Step 6: Final answer
    x = 9,791.48

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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.