Home / 43,709.16-65,547.67-15,621.63

Finding the Fourth Proportional to 43,709.16, 65,547.67 and 15,621.63

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Solution

The fourth proportional to 43,709.16, 65,547.67 and 15,621.63 is: 23,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,709.16 : 65,547.67 = 15,621.63 : x
  2. Step 2: Convert to fraction form
    43,709.16/65,547.67 = 15,621.63/x
  3. Step 3: Cross multiply
    43,709.16x = 65,547.67 × 15,621.63
  4. Step 4: Simplify right side
    43,709.16x = 1,023,961,448.10
  5. Step 5: Solve for x
    x = 1,023,961,448.10/43,709.16
  6. Step 6: Final answer
    x = 23,426.70

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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.