Home / 19,319.13-26,658.18-10,820.07

Finding the Fourth Proportional to 19,319.13, 26,658.18 and 10,820.07

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Solution

The fourth proportional to 19,319.13, 26,658.18 and 10,820.07 is: 14,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.13 : 26,658.18 = 10,820.07 : x
  2. Step 2: Convert to fraction form
    19,319.13/26,658.18 = 10,820.07/x
  3. Step 3: Cross multiply
    19,319.13x = 26,658.18 × 10,820.07
  4. Step 4: Simplify right side
    19,319.13x = 288,443,373.67
  5. Step 5: Solve for x
    x = 288,443,373.67/19,319.13
  6. Step 6: Final answer
    x = 14,930.45

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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.