Home / 26,378.13-36,402.64-14,442.58

Finding the Fourth Proportional to 26,378.13, 36,402.64 and 14,442.58

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Solution

The fourth proportional to 26,378.13, 36,402.64 and 14,442.58 is: 19,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.13 : 36,402.64 = 14,442.58 : x
  2. Step 2: Convert to fraction form
    26,378.13/36,402.64 = 14,442.58/x
  3. Step 3: Cross multiply
    26,378.13x = 36,402.64 × 14,442.58
  4. Step 4: Simplify right side
    26,378.13x = 525,748,040.41
  5. Step 5: Solve for x
    x = 525,748,040.41/26,378.13
  6. Step 6: Final answer
    x = 19,931.21

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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.