Home / 21,535.32-32,312.70-10,998.84

Finding the Fourth Proportional to 21,535.32, 32,312.70 and 10,998.84

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Solution

The fourth proportional to 21,535.32, 32,312.70 and 10,998.84 is: 16,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.32 : 32,312.70 = 10,998.84 : x
  2. Step 2: Convert to fraction form
    21,535.32/32,312.70 = 10,998.84/x
  3. Step 3: Cross multiply
    21,535.32x = 32,312.70 × 10,998.84
  4. Step 4: Simplify right side
    21,535.32x = 355,402,217.27
  5. Step 5: Solve for x
    x = 355,402,217.27/21,535.32
  6. Step 6: Final answer
    x = 16,503.22

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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.