Home / 42,454.58-63,681.24-14,368.64

Finding the Fourth Proportional to 42,454.58, 63,681.24 and 14,368.64

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Solution

The fourth proportional to 42,454.58, 63,681.24 and 14,368.64 is: 21,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,454.58 : 63,681.24 = 14,368.64 : x
  2. Step 2: Convert to fraction form
    42,454.58/63,681.24 = 14,368.64/x
  3. Step 3: Cross multiply
    42,454.58x = 63,681.24 × 14,368.64
  4. Step 4: Simplify right side
    42,454.58x = 915,012,812.31
  5. Step 5: Solve for x
    x = 915,012,812.31/42,454.58
  6. Step 6: Final answer
    x = 21,552.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.