Home / 19,345.20-26,699.40-14,038.08

Finding the Fourth Proportional to 19,345.20, 26,699.40 and 14,038.08

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Solution

The fourth proportional to 19,345.20, 26,699.40 and 14,038.08 is: 19,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.20 : 26,699.40 = 14,038.08 : x
  2. Step 2: Convert to fraction form
    19,345.20/26,699.40 = 14,038.08/x
  3. Step 3: Cross multiply
    19,345.20x = 26,699.40 × 14,038.08
  4. Step 4: Simplify right side
    19,345.20x = 374,808,313.15
  5. Step 5: Solve for x
    x = 374,808,313.15/19,345.20
  6. Step 6: Final answer
    x = 19,374.74

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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.