Home / 19,145.64-26,420.70-10,762.08

Finding the Fourth Proportional to 19,145.64, 26,420.70 and 10,762.08

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Solution

The fourth proportional to 19,145.64, 26,420.70 and 10,762.08 is: 14,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.64 : 26,420.70 = 10,762.08 : x
  2. Step 2: Convert to fraction form
    19,145.64/26,420.70 = 10,762.08/x
  3. Step 3: Cross multiply
    19,145.64x = 26,420.70 × 10,762.08
  4. Step 4: Simplify right side
    19,145.64x = 284,341,687.06
  5. Step 5: Solve for x
    x = 284,341,687.06/19,145.64
  6. Step 6: Final answer
    x = 14,851.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.