Home / 43,312.10-64,962.68-13,730.23

Finding the Fourth Proportional to 43,312.10, 64,962.68 and 13,730.23

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Solution

The fourth proportional to 43,312.10, 64,962.68 and 13,730.23 is: 20,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.10 : 64,962.68 = 13,730.23 : x
  2. Step 2: Convert to fraction form
    43,312.10/64,962.68 = 13,730.23/x
  3. Step 3: Cross multiply
    43,312.10x = 64,962.68 × 13,730.23
  4. Step 4: Simplify right side
    43,312.10x = 891,952,144.35
  5. Step 5: Solve for x
    x = 891,952,144.35/43,312.10
  6. Step 6: Final answer
    x = 20,593.60

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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.