Home / 21,708.04-32,564.28-5,913.40

Finding the Fourth Proportional to 21,708.04, 32,564.28 and 5,913.40

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Solution

The fourth proportional to 21,708.04, 32,564.28 and 5,913.40 is: 8,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.04 : 32,564.28 = 5,913.40 : x
  2. Step 2: Convert to fraction form
    21,708.04/32,564.28 = 5,913.40/x
  3. Step 3: Cross multiply
    21,708.04x = 32,564.28 × 5,913.40
  4. Step 4: Simplify right side
    21,708.04x = 192,565,613.35
  5. Step 5: Solve for x
    x = 192,565,613.35/21,708.04
  6. Step 6: Final answer
    x = 8,870.70

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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.