Home / 22,931.04-34,239.63-20,543.74

Finding the Fourth Proportional to 22,931.04, 34,239.63 and 20,543.74

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Solution

The fourth proportional to 22,931.04, 34,239.63 and 20,543.74 is: 30,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.04 : 34,239.63 = 20,543.74 : x
  2. Step 2: Convert to fraction form
    22,931.04/34,239.63 = 20,543.74/x
  3. Step 3: Cross multiply
    22,931.04x = 34,239.63 × 20,543.74
  4. Step 4: Simplify right side
    22,931.04x = 703,410,056.42
  5. Step 5: Solve for x
    x = 703,410,056.42/22,931.04
  6. Step 6: Final answer
    x = 30,675.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.