Home / 19,145.86-26,421.95-10,648.34

Finding the Fourth Proportional to 19,145.86, 26,421.95 and 10,648.34

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Solution

The fourth proportional to 19,145.86, 26,421.95 and 10,648.34 is: 14,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.86 : 26,421.95 = 10,648.34 : x
  2. Step 2: Convert to fraction form
    19,145.86/26,421.95 = 10,648.34/x
  3. Step 3: Cross multiply
    19,145.86x = 26,421.95 × 10,648.34
  4. Step 4: Simplify right side
    19,145.86x = 281,349,774.95
  5. Step 5: Solve for x
    x = 281,349,774.95/19,145.86
  6. Step 6: Final answer
    x = 14,695.07

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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.