Home / 19,145.08-26,421.42-10,762.12

Finding the Fourth Proportional to 19,145.08, 26,421.42 and 10,762.12

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Solution

The fourth proportional to 19,145.08, 26,421.42 and 10,762.12 is: 14,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.08 : 26,421.42 = 10,762.12 : x
  2. Step 2: Convert to fraction form
    19,145.08/26,421.42 = 10,762.12/x
  3. Step 3: Cross multiply
    19,145.08x = 26,421.42 × 10,762.12
  4. Step 4: Simplify right side
    19,145.08x = 284,350,492.61
  5. Step 5: Solve for x
    x = 284,350,492.61/19,145.08
  6. Step 6: Final answer
    x = 14,852.41

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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.