Home / 19,628.47-29,438.28-5,588.19

Finding the Fourth Proportional to 19,628.47, 29,438.28 and 5,588.19

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Solution

The fourth proportional to 19,628.47, 29,438.28 and 5,588.19 is: 8,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.47 : 29,438.28 = 5,588.19 : x
  2. Step 2: Convert to fraction form
    19,628.47/29,438.28 = 5,588.19/x
  3. Step 3: Cross multiply
    19,628.47x = 29,438.28 × 5,588.19
  4. Step 4: Simplify right side
    19,628.47x = 164,506,701.91
  5. Step 5: Solve for x
    x = 164,506,701.91/19,628.47
  6. Step 6: Final answer
    x = 8,381.03

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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.